Computers viruses, worms, ransomware, etc. are kinds of malicious software that no user should take lightly. On several occasions, we have touched upon security steps that each user should take in order to protect its identity and data. Sadly sometimes even when all precautions are taken some malware can still slip through and wreak havoc. Today we are looking at some of the worst or the best, depending on your view that has indeed wreaked plenty of havoc.
10 worst computer viruses in historyIn the list of the 10 most famous computer viruses below, we show the costs, dates, reach, and other key facts. First a note about terms: we use the words “virus” and “worm” interchangeably because most readers search for them that way. But there’s a subtle difference that we explain after the list.
The worst computer virus outbreak in history, Mydoom caused estimated damage of $38 billion in 2004, but its inflation-adjusted cost is actually $52.2 billion. Also known as Novarg, this malware is technically a “worm,” spread by mass emailing. At one point, the Mydoom virus was responsible for 25% of all emails sent.
Mydoom scraped addresses from infected machines, then sent copies of itself to those addresses. It also roped those infected machines into a web of computers called a botnet that performed distributed denial of service (DDoS) attacks. These attacks were intended to shut down a target website or server.
Mydoom is still around today, generating 1% of all phishing emails. That’s no small feat considering the 3.4 billion phishing emails sent each day. By that figure, Mydoom has taken on a life of its own, infecting enough poorly-protected machines to send 1.2 billion copies of itself per year, 16 years after its creation.
Though a $250,000 reward was offered, the developer of this dangerous computer worm was never caught.
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The 2003 Sobig computer virus is actually another worm. It is second only to the Mydoom virus in its scope. The $30 billion figure is a worldwide total, including Canada, the U.K., the U.S., mainland Europe, and Asia. Several versions of the worm were released in quick succession, named Sobig.A through Sobig.F, with Sobig.F being the most damaging.
This cybercriminal program masqueraded as legitimate computer software attached to emails. It disrupted ticketing at Air Canada and interfered with countless other businesses. Despite its widespread damage, the creator of the successful bug was never caught.
Klez is a close third on the list of the worst computer viruses ever created. With nearly $20 billion in estimated damages, it infected about 7.2% of all computers in 2001, or 7 million PCs. The Klez worm sent fake emails, spoofed recognized senders and, among other things, attempted to deactivate other viruses.
As with other viruses and worms, Klez was released in several variants. It infected files, copied itself, and spread throughout each victim’s network. It hung around for years, with each version more destructive than the last.
Windows has come a long way since most of the computer viruses on this list hit the web. Thankfully, built-in protection with Microsoft Defender is always on the watch.
The year 2000’s ILOVEYOU virus worked by sending a bogus “love letter” that looked like a harmless text file. Like Mydoom, this attacker sent copies of itself to every email address in the infected machine’s contact list. Shortly after its May 4 release, it had spread to more than 10 million PCs.
The virus was created by a college student in the Philippines named Onel de Guzman. Lacking funds, he wrote the virus to steal passwords so he could log into online services he wanted to use for free. He reportedly had no idea how far his creation would spread. This virus is also known as Loveletter.
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The 2017 WannaCry computer virus is ransomware, a virus that takes over your computer (or cloud files) and holds them hostage. The WannaCry ransomware ripped through computers in 150 countries, causing massive productivity losses as businesses, hospitals, and government organizations that didn’t pay were forced to rebuild systems from scratch.
The malware raged like wildfire through 200,000 computers worldwide. It stopped when a 22-year-old security researcher in the U.K. found a way to turn it off. Computers with out-of-date operating systems were hit especially hard. That’s why security experts always recommend updating your systems frequently.
In September 2020, one of the potentially largest computer virus attacks in medical history hit Universal Health Services. The U.S. hospital chain, which has more than 400 locations, was reportedly struck by damaging ransomware. The attack forced the cancellation of surgeries and made healthcare workers switch to paper records.
The Zeus computer virus is an online theft tool that hit the web in 2007. A whitepaper by Unisys three years later estimated that it was behind 44% of all banking malware attacks. By then, it had breached 88% of all Fortune 500 companies, 2,500 organizations total, and 76,000 computers in 196 countries.
The Zeus botnet was a group of programs that worked together to take over machines for a remote “bot master.” It originated in Eastern Europe and was used to transfer money to secret bank accounts. More than 100 members of the crime ring behind the virus, mostly in the U.S., were arrested in 2010. It’s not as prominent today, but some of the virus’ source code lives on in newer botnet viruses and worms.
Zeus caused documented damage of $100 million. But the real cost in terms of lost productivity, removal, and undocumented theft is undoubtedly much higher. A $3 billion estimate, adjusted for inflation, puts this virus at a cost of $3.7 billion in today’s dollars.
First observed in 2001, the Code Red computer virus was yet another worm that penetrated 975,000 hosts. It displayed the words “Hacked by Chinese!” across infected web pages, and it ran entirely in each machine’s memory. In most cases it left no trace in hard drives or other storage.
Financial costs are pegged at $2.4 billion. The virus attacked websites of infected computers and delivered a distributed denial of service (DDoS) attack on the U.S. White House’s website, www.whitehouse.gov. In fact, the White House had to change its IP address to defend against Cod Red.
Can your printer get a virus? See our cool infographic: The State of Printer Security
The SQL Slammer worm cost an estimated $750 million across 200,000 computer users in 2003. This computer virus randomly selected IP addresses, exploiting vulnerabilities and sending itself on to other machines. It used these victim machines to launch a DDoS attack on several internet hosts, significantly slowing internet traffic.
The Slammer worm hit banks in the U.S. and Canada especially hard, taking ATMs offline in many locations. Customers of Toronto’s Imperial Bank of Commerce found themselves unable to access funds. The attack reared its ugly head again in 2016, launching from IP addresses in Ukraine, China, and Mexico.
Thankfully, ransomware attacks like the 2013 CryptoLocker virus have dipped since their 2017 peak. This malware attacked upwards of 250,000 machines by encrypting their files. It displayed a red ransom note informing users that “your important files encryption produced on this computer.” A payment window accompanied the note.
The virus’ creators used a worm called the Gameover Zeus botnet to make and send copies of the CryptoLocker virus. According to a report by security firm Sophos, the average ransomware attack costs a business $133,000. If we estimate that CryptoLocker hit 5,000 companies, that would put its total cost at $665 million.
Where will cybersecurity go next? See our guide: The Future of Cybersecurity
The Sasser worm was written by a 17-year-old German computer science student named Sven Jaschan. He was arrested at the age of 18 in 2004 after a $250,000 bounty was posted for the computer virus’ creator. A friend of Jaschan’s tipped authorities that the youth had penned not only the Sasser worm but also the damaging Netsky.AC attack.
Jaschan was given a suspended sentence after it was found he was a minor when he wrote the malware. The Sasser worm crashed millions of PCs, and though some reports put damages at $18 billion, the relatively low infection rate suggests a more likely cost of $500 million.
Other notable viruses
The top 10 worst computer viruses above are just the ugly tip of a gargantuan digital iceberg. With a million new malware programs popping up every 3 years, we may miss the forest for a few outstanding trees. Here are just a few more viruses that have wreaked havoc over the years:
Mimail: This worm tried to harvest data from infected machines to launch a string of DDoS attacks, but was relatively easy to remove.
Yaha: Yet another worm with several variants, thought to be the result of a cyber-war between Pakistan and India.
Swen: Written in C++, the Swen computer worm disguised itself to look like a 2003 OS update. Its financial cost has been pegged at $10.4 billion, but not reliably.
Storm Worm: This worm showed up in 2007 and attacked millions of computers with an email about approaching bad weather.
Tanatos/Bugbear: A 2002 keylogger virus that targeted financial institutions and spread to 150 countries.
Sircam: A computer worm from 2001 that used counterfeit emails with the subject line, “I send you this file in order to have your advice.”
Explorezip: This worm used fake emails to spread to every machine on thousands of local networks.
Melissa: The most dangerous computer virus in 1999, Melissa sent copies of itself that looked like NSFW pics. The U.S. FBI estimated cleanup and repair costs at $80 million.
Flashback: A Mac-only virus, Flashback infected over 600,000 Macs in 2012 and even infected Apple’s home base in Cupertino, Calif. In 2020, there’s now more malware on Macs than on PCs.
Conficker: This 2009 virus still infects many legacy systems and could do significant damage if it ever activates.
Stuxnet: This worm is reported to have destroyed Iranian nuclear centrifuges by sending damaging instructions.
Probably tired of even trying to hide it, Steam has released that this year's big Steam Winter sale is officially starting on December 22nd, 2021, and closing on January 5th, 2022. So if you have someone to buy a gift or just want to drop a few great games in your library at a low price this is the time when you should do it. If you would like your computer to be discoverable on your network and use print and file sharing you will have to change your network profile on your computer from public to private.
Follow the provided guide step by step to change your network profile setting:
Locate the Wi-Fi icon in your system tray and click on it. Click on properties on your WI-FI network to open the network menu. Inside the menu in the Network profile section enable the Private option.
Your changes will be automatically saved.
Find the WI-FI icon in the system tray and right-click on it, then choose Network and Internet Settings. Network & Internet page with open, find your network name at the top and select properties.
On the WI-FI page, in the Network Profile Type section choose Private. As in Windows 10, your changes will be automatically charged, and you can start using them immediately.
If you want to switch back to a public profile follow provided steps but disable the private option.
chkdsk /f /r
powercfg /hibernate /size 100
Loving Windows 11 so far? We sure are. Microsoft has clearly decided to take its OS to the next level and keeps showing it through every update. It makes you wonder what’s next - and today, you’ll find out!
Tons of new features have been leaked, and we can probably expect them with the 23H2 update. Here’s everything you need to know so far.
There are plenty of new features already confirmed for Windows 11. The only issue is we don’t know for sure if they’re coming with the 23H2 update or separately, at a different time. Whatever the case, a lot of them are pretty exciting.
Here’s an overview of what we might be getting this fall.
Another is AI-generated keywords, designed to improve the discoverability of apps you’re searching for. Moreover, the AI-generated review summary is designed to give us a simpler experience looking at reviews. Huge numbers of reviews will be compiled into a summary that’s easy to scan and lets us discover new content faster.
We’ve got some interesting stuff to look forward to with the next major Windows 11 update. And these are just the things the Internet’s actually heard of, so who knows what else Microsoft might be planning? It remains to be seen, hopefully just a few months from now. 23H2 has been released on October 31st.
Error Code 0x80248014 is an error that is particularly associated with the Windows 10 operating system. It generally appears during the Windows Update process and can interrupt the update installation, causing it to fail.
Common symptoms include:
The resolutions available for Error Code 0x80248014 include the use of the command prompt and delving into the settings for Windows. While most users should be able to navigate the resolution methods on their own if you do not feel comfortable undertaking these steps on your own or if you aren’t able to resolve the error fully using these methods, get in touch with a qualified Windows repair technician who is familiar with issues in Windows updates.
Error CausesThere are several common culprits that can make Error Code 0x80248014 appear on your Windows device. The most common ones include problems with your connections, interference on the server, or problems in the settings for the Windows Store itself from which the updates are downloaded.
If you believe that your error relates most specifically to the Windows Store, you may want to jump directly to method two in order to attempt to resolve the issue.
There are a number of ways that you can try to resolve Error Code 0x80248014 on your Windows 10 operating system. The first will attempt to reset the issue using the command prompt, while the second attempts to address the issues that are associated directly with the Windows Store.
If you do not feel comfortable taking the steps below, be sure to get in touch with a qualified Windows repair technician to assist you.
Here are the top two methods to resolve Error Code 0x80248014 on the Windows 10 operating system:
To use this method, employ the following steps in order:
You may want to reboot your computer after running the steps above to ensure that the changes that you’ve made are fully applied to your device.
In some cases, Error Code 0x80248014 can appear on a device when the settings for the Windows Store have been altered or cannot be successfully read by the machine in question. If you believe that this is the case on your machine, you can run a simple command to renew your Windows Store settings.
To attempt to reset your Windows Store settings, open up your search bar and type in the following phrase “wsreset.exe,” then hitting Enter. Running this command will reset your Windows Store settings to their defaults.
After you reset your Windows Store settings, it may be a good idea to reboot your computer to ensure that all changes have fully taken effect on your device. Once this has been done, you can open the Windows Store back up and try to download or install the programs that you were attempting to purchase when the error code occurred.
If you are still experiencing the effects on your Windows 10 operating system or if you have not been able to follow the steps above to completion, it may be time to get in touch with a qualified Windows repair technician to assist you with the error resolution process.
If you wish to always have at your disposal a utility tool to fix these Windows 10 and other related issues when they do arise, download and install a powerful automated tool.
New Apple's upscaling technology called MetalFX will place iOS and macOS devices back into the gaming world. Apple had great games back in the old days and some all-time hits like the prince of Persia have been made first for apple but along the way, it just lost it.
Same as NVIDIA's DLSS and Intel's XeSS systems, Apple MetalFX also uses AI algorithms to upscale the resolution of output game frames. So, for example, the GPU inside your MAC might render the game at 1080p, but through MetalFX and AI upscaling it will look like a 4K image but have a good frame rate since it is rendered in base resolution.
The ability to make AI strike a good balance between performance and image quality is a key to technology in today's modern gaming and having this technology will help developers a ton to be able to achieve great results on Apple hardware.
So far three official games that will use this technology and be released natively for Appl hardware are Resident Evil 8 Village, GRID legends, and No Man's Sky. All three games have been confirmed and Resident Evil 8 Village is already sent for review people are impressed since the game can run smoothly on all Apple devices, even ones with an M1 CPU.
When you say Apple gaming is probably the last thing that comes to your mind but truth be told Apple makes more money from games than Microsoft, Nintendo and Sony combined. Also, Apple itself was a big player once regarding computer games as well, Myst and Prince of Persia are games that were made and have been released for Apple first. Bungie was also founded by Apple developers and Halo was originally announced as a Mac game.
Apple has been trying and pushing gaming on its platform since it kind of died down. Today all Sony, Nintendo, and Microsoft controllers work without any issues with all Apple products. Apple also has its own gaming subscription service, Apple Arcade, and its Apple TV is packed with GPU that can rival Xbox ones.
MetalFX API ties and brings it all together, it is designed to get the most performance from the hardware by minimizing overhead.
Now, computers and laptops do not hold any large numbers if we look at the user base, and that could deter developers but if we look at iPad and iPhone things are different there, much different. How same CPU power these devices and how MetalFX is available across all products it is clear that there is a market for games there. No Man's Sky is coming to iPad using these technologies and bringing full computer experience to tablets.
