Step-by-Step Malware Removal Instructions

StepWarrior Adware (Mac)
Mac Virus

StepWarrior Adware (Mac)

Our team discovered the StepWarrior application after downloading and testing a fake Adobe Flash Player installer (that installer was downloaded from an unofficial site). We found that the purpose of StepWarrior is to display intrusive advertisements. Thus, we concluded that StepWarrior operates

Nitro22 Ransomware
Ransomware

Nitro22 Ransomware

While examining malware samples submitted to the VirusTotal website, we discovered Nitro22 ransomware - malware that encrypts files to blackmail victims. Also, Nitro22 changes the desktop wallpaper and creates a ransom note (the "#Decryption#.txt" file), and appends the ".nitro" extension to filen

Vvwq Ransomware
Ransomware

Vvwq Ransomware

Our research team discovered the Vvwq ransomware-type program during a routine inspection of new submissions to VirusTotal. This malicious program belongs to the Djvu ransomware family. We executed a sample of Vvwq ransomware on our testing system, and it began encrypting files. The filenames of

CacheOptimization Adware (Mac)
Mac Virus

CacheOptimization Adware (Mac)

CacheOptimization is an advertising-supported application that displays annoying advertisements. It has no useful features or provides other value. Our team discovered CacheOptimization after examining a fake installer downloaded from a shady page. Like most apps of this kind, CacheOptimization

Vveo Ransomware
Ransomware

Vveo Ransomware

Vveo is ransomware designed to encrypt files, append the ".vveo" extension to filenames, and drop the "_readme.txt" file (a ransom note). We found that Vveo is part of the Djvu ransomware family. Our team discovered this ransomware while analyzing malware samples submitted to the VirusTotal websit

Vvew Ransomware
Ransomware

Vvew Ransomware

Vvew is ransomware belonging to the Djvu family. Our team discovered it while checking VirusTotal for recently submitted malware samples. We found that Vvew appends the ".vvew" extension to filenames and creates the "_readme.txt" file containing contact and payment information. An example of how

Background Colors Adware
Adware

Background Colors Adware

While checking out dubious sites that promote software, our researchers found the Background Colors browser extension. It is presented as a tool capable of changing website background colors. However, after analyzing Background Colors, we learned that instead of working as advertised - this extens

AnalyzerState Adware (Mac)
Mac Virus

AnalyzerState Adware (Mac)

Our research team discovered the AnalyzerState rogue application during a routine inspection of new submissions to VirusTotal. After analyzing this piece of software, we determined that it operates as adware. Furthermore, we learned that AnalyzerState belongs to the AdLoad malware family.

Captcha4you.top Ads
Notification Spam

Captcha4you.top Ads

Captcha4you[.]top is a rogue site designed to trick visitors into allowing it to deliver browser notification spam. Additionally, this webpage is capable of redirecting users to other (likely dubious/malicious) websites. Our researchers discovered captcha4you[.]top while inspecting sites that use

Arai Ransomware
Ransomware

Arai Ransomware

Arai is a ransomware-type program that our research team discovered while inspecting new malware submissions to VirusTotal. After launching a sample of this ransomware on our test machine, Arai encrypted data and created a note demanding a ransom for the decryption. The names of the encrypted fil