Tail web is the name of an application that our team has discovered while inspecting shady websites. After downloading and adding this app to a browser, we found that it changes some settings. It hijacks a web browser to promote tailsearch.com. While testing this site, we found that it is a fake s
PortalUltra is an application that our team has discovered after using a fake installer downloaded from a deceptive website. It was found that PortalUltra is a useless application designed to display annoying advertisements. Thus, we categorized this app as adware. Clicking ads (pop-ups,
Our malware researchers have discovered another ransomware belonging to the Djvu family called Llqq while examining malware samples submitted to the VirusTotal site. Llqq is designed to encrypt files and append its extension (".llqq" to filenames). It also creates a text file ("_readme.txt") conta
While researching untrustworthy sites, we found the serviceworker[.]click rogue webpage. It promotes scams, pushes browser notification spam, and redirects visitors to different (likely dubious/malicious) websites. Most users enter such pages through redirects caused by sites using rogue advertis
While looking through new submissions to VirusTotal, our researchers discovered the Code Core ransomware. Malicious programs within this category are designed to encrypt data and demand ransoms for the decryption. Once a sample of Code Core was executed on our test machine, it encrypted files and
After inspecting this "Chc Energy" email, we determined that it is spam designed to proliferate malware (malspam). This letter is presented as a notification regarding a blocked registration with CHC ENERGY. It must be emphasized that these fake emails are in no way associated with this or any ot
Skip Over Ads is the name of a rogue browser extension that our researchers discovered while inspecting dubious download sites. This piece of software promises to block and/or auto-skip advertisements on YouTube. Instead, as our analysis revealed, Skip Over Ads operates like adware - software that
Bahamut is the name of Android malware with spyware functionality. Threat actors use Bahamut to steal sensitive information. The newest malware version targets various messaging apps and personally identifiable information. Once downloaded, installed, and launched, Bahamut asks to enable v
Killer is the name of a ransomware-type program that our researchers discovered while inspecting new malware submissions to VirusTotal. On our test machine, this program encrypted files and modified their titles. The filenames were prepended with the cyber criminals' email address and a unique ID
Ransom Cartel is ransomware that blocks access to files by encrypting them and appends five random characters to filenames. It also creates a text file (named "[extension]-readme.txt") containing a ransom note. Ransom Cartel is similar to another ransomware called Sodinokibi. An example of how Ra