While examining malware samples submitted to VirusTotal, we discovered a ransomware belonging to the Djvu family called Znto. It encrypts files, appends the ".znto" extension to filenames of encrypted files, and creates a text file ("_readme.txt") containing a ransom note. An example of how Znto
Block_file12 is ransomware designed to encrypt files and append an email address and the ".block_file12" extension to filenames. An example of how Block_file12 renames filenames: it changes "1.jpg" to "1.jpg!===contact_mail===itankan12@gmail.com===.block_file12", "2.png" to "2.png!===contact_mail=
Ekipa is the name of a Remote Administration Trojan (RAT) sold on a hacker forum for $4500. Threat actors use RATs to perform remote malicious activities on infected computers. Ekipa RAT can gather system information, manage files, and perform other tasks. It should be removed from the infected co
After testing the Cats fanpage browser extension, we found that it is a browser hijacker designed to promote search.cats-fan.com - a fake search engine. Cats fanpage hijacks a web browser by changing some of its settings. Usually, browser hijackers are promoted in deceptive ways. Cats fanp
While examining CyberBlock browser extension, we found that it displays annoying advertisements. Also, it can read various data. Apps that show advertisements are categorized as adware. Usually, users download and install (or add) advertising-supported apps like CyberBlock inadvertently. C
Theva is ransomware that encrypts data and appends the sql772@aol.com email address and its extension (".theva") to filenames. Also, Theva changes the desktop wallpaper and drops a ransom note (the "#_README_#.inf" file). Our team discovered Theva while analyzing malware samples submitted to Virus
Znsm is ransomware that employs encryption to prevent victims from accessing their files. It belongs to a ransomware family known as Djvu. Our team discovered Znsm while analyzing malware samples submitted to VirusTotal. Djvu ransomware is often distributed along with information stealers like Vid
We have examined this email and concluded that it is written by scammers who pretend to be DHL - a legitimate logistics company. The purpose of this scam email is to trick recipients into providing sensitive information. Emails of this type are called phishing emails. This fake DHL letter should b
Rans_recovery is ransomware that encrypts files to prevent victims from accessing them. Also, Rans_recovery appends the ".rans_recovery" extension to filenames, drops the "Recovery.txt" file containing a ransom note, and changes the desktop wallpaper. We discovered Rans_recovery while inspecting s
While testing the DefaultFormat application, we noticed that various unwanted advertisements were coming from it. Apps that show ads are called advertising-supported applications. Typically, users download and install apps such as DefaultFormat inadvertently. We discovered DefaultFormat while in