Virus and Spyware Removal Guides, uninstall instructions

What is Update your Chrome browser extension scam?

This website claims that users should update an unspecified Chrome browser extension before continuing browsing the Internet. It encourages visitors to click the "Add to Chrome" button to update that extension. The purpose of this pop-up scam is to trick visitors into installing adware, browser hijackers, and other potentially unwanted apps (PUAs).

What is SysJoker?

SysJoker is designed to cause chain infections (infect systems with additional malicious programs); due to this, it is classified as backdoor malware. It is also a cross-platform piece of software; SysJoker versions can infiltrate Windows, Mac, and Linux operating systems.

What kind of malware is Crackvirus?

Crackvirus is the name of ransomware - a form of malware designed to encrypt files. Additionally, Crackvirus appends the ".crackvirus" extension to filenames (for example, renames "1.jpg" to "1.jpg.crackvirus", "file.doc" to "file.doc.crackvirus"), creates the "Attention Please.txt" file and changes the desktop wallpaper.

What is OffersPrimary?

OffersPrimary is a piece of rogue software classified as adware. It also has browser hijacker traits. Since such dubious apps are usually downloaded/installed unintentionally, they are also deemed to be PUAs (Potentially Unwanted Applications).

What is 7j45q ransomware?

7j45q is the name of a ransomware-type program. This malware encrypts data (renders files inaccessible) and demands ransoms for the decryption.

Affected files are appended with a unique ID assigned to the victim and the ".7j45q" extension. For example, a file initially titled "1.jpg" would appear similar to "1.jpg.6k7Etw09aU4W0je_sYykVH44YWlrb9CySLdx5c04Ypv_LgAAAC4AAAA0.7j45q", and so on for all of the files.

Once the encryption process is completed, a ransom-demanding message - "Bdfn_HOW_TO_DECRYPT.txt" - is created.

What kind of page is protectionrequired[.]com?

Protectionrequired[.]com is a rogue site that hosts dubious content, pushes browser notifications, and/or redirects visitors to other questionable/malicious webpages. Websites of this type are most commonly accessed via others that use rogue advertising networks.

What is TO CONTINUE - ADD EXTENSION TO CHROME scam?

"TO CONTINUE - ADD EXTENSION TO CHROME" is a deceptive message displayed by an untrustworthy website designed to trick users into downloading and installing adware, browser hijackers, and other potentially unwanted applications (PUAs). Users end up on such pages mainly through websites that use rogue advertising networks.

What kind of page is bestsystemav[.]xyz?

Bestsystemav[.]xyz is a site that loads deceptive content, pushes its browser notifications, and redirects visitors to other untrustworthy or malicious webpages. Sites like bestsystemav[.]xyz are accessed inadvertently, primarily via other pages that use rogue advertising networks.

What kind of page is webprotectionprogram[.]com?

Webprotectionprogram[.]com is designed to trick visitors into believing that their computers are infected and agreeing to receive notifications. There are many pages like this one on the Internet, for example, security-scanner[.]xyz, checkthesafety[.]com, mydesktopdefence[.]com.

What is NUNCATARDE ransomware?

NUNCATARDE is a malicious program categorized as ransomware. It operates by encrypting files and demanding ransoms for the decryption.

The locked files are appended with a ".NUNCATARDE" extension. For example, a file initially named "1.jpg" would appear as "1.jpg.NUNCATARDE", "2.jpg" as "2.jpg.NUNCATARDE", etc. Once this process is completed, a ransom note - "#Decrypt#.txt" - is created.