While analyzing malware samples submitted to the VirusTotal page, our team discovered a new ransomware variant (belonging to the Djvu family) called Ewdf. We found that Ewdf encrypts files and appends the ".ewdf" extension to filenames. Also, it creates a text file (named "_readme.txt") that conta
While examining malware samples submitted to VirusTotal, we discovered a Djvu ransomware variant called Uihj. It encrypts files and modifies their filenames (appends the ".uihj" extension to filenames) and creates a ransom note (creates a text file named the "_readme.txt"). An example of how Uihj
InitialSprint is a piece of rogue software that our researchers discovered while inspecting new submissions to VirusTotal. Our analysis of this application revealed that it is advertising-supported software (adware) belonging to the AdLoad malware family. Adware is designed to run intrus
While inspecting questionable sites, our research team found the news-neduda[.]com rogue page. It operates by pushing browser notification spam and redirecting visitors to other (likely untrustworthy/malicious) websites. Users typically enter sites of this kind via redirects caused by webpages usi
While inspecting untrustworthy download websites, our research team discovered the Renew Search browser extension. It promises to provide additional search options when the results from regular searches prove to be inadequate or when a desired webpage is unavailable. However, our analysis revealed
News-lemasu[.]com is a rogue webpage that we discovered while inspecting dubious sites. It is designed to push spam browser notifications and redirect visitors to different (likely untrustworthy/malicious) pages. Most users enter these websites via redirects caused by sites using rogue advertising
Our researchers found the Craze ransomware-type program while inspecting new submissions to VirusTotal. After we had executed a sample of Craze on our test system, it began encrypting files. The filenames of the affected files were appended with an extension consisting of four random characters.
Bright Black is ransomware that does not encrypt files. It only renames files by prepending "x" letter to their extensions. For example, it renames "1.jpg" to "1.xjpg", "2.png" to "2.xpng", "3.exe" to "3.xexe", and so forth. Also, Bright Black displays a pop-up window and creates the "ransnote.htm
Captchaclean[.]top is a page that displays deceptive content to trick visitors into allowing it to show notifications and redirects to a scam website. We have discovered captchaclean[.]top while examining other websites that use rogue advertising networks. Like most pages of this type, captchaclea
While inspecting untrustworthy websites, we discovered the hugeer[.]club rogue page. It promotes scams, pushes browser notification spam, and redirects visitors to other (likely unreliable/malicious) sites. Users typically enter websites like hugeer[.]club via redirects caused by pages using rogue