Step-by-Step Malware Removal Instructions

SystemOptimization Adware (Mac)
Mac Virus

SystemOptimization Adware (Mac)

While examining the SystemOptimization app, our team noticed it displays various ads, leading us to categorize it as adware. It is important to note that such software is often promoted and distributed deceptively. Thus, users often get tricked into installing programs like SystemOptimization.

Rzfu Ransomware
Ransomware

Rzfu Ransomware

During our examination of malware samples on the VirusTotal page, we came across the Rzfu ransomware, a member of the Djvu family. When this ransomware infects a computer, it encrypts files and appends the ".rzfu" extension to their filenames. For instance, "1.jpg" becomes "1.jpg.rzfu" and "2.png"

Rzml Ransomware
Ransomware

Rzml Ransomware

While studying malware on VirusTotal, we found the Rzml ransomware, which is part of the Djvu family. When a computer is affected, Rzml encrypts files and adds the ".rzml" extension to their names. For example, "1.jpg" becomes "1.jpg.rzml" and "2.png" turns into "2.png.rzml". Apart from encryptin

Rzkd Ransomware
Ransomware

Rzkd Ransomware

During our examination of malicious software samples that were uploaded to VirusTotal, we came across ransomware dubbed Rzkd. This particular ransomware is designed to encrypt files and alter their names by appending the ".rzkd" extension. Furthermore, Rzkd generates a ransom note, which can be fo

Fonts Determiner Adware
Adware

Fonts Determiner Adware

During our analysis of the Fonts Determiner application, our team observed that it presents a range of advertisements. Consequently, we have classified Fonts Determiner as adware. It should be highlighted that software of this nature is frequently marketed and disseminated through misleading metho

PterygotusAnglicus Malicious Extension
Adware

PterygotusAnglicus Malicious Extension

During our evaluation of the PterygotusAnglicus browser extension, we identified concerning behavior, such as adding the "Managed by your organization" feature to Chrome browsers, managing certain elements of the browser, and reading various data. We came across PterygotusAnglicus while investigat

ArchiveRemote Adware (Mac)
Mac Virus

ArchiveRemote Adware (Mac)

During a routine review of new file submissions to VirusTotal, our research team discovered the ArchiveRemote application. After inspecting it, we determined that this piece of software is adware. ArchiveRemote is part of the AdLoad malware family. This app generates revenue for its developers

Tropical Extension Browser Hijacker
Browser Hijacker

Tropical Extension Browser Hijacker

Tropical Extension is a piece of rogue software that we found while inspecting suspicious sites. This extension promises to display tropics-themed browser wallpapers. Our examination revealed that Tropical Extension is a browser hijacker. It modifies browser settings to endorse (through redirects)

Key Searchs Browser Hijacker
Browser Hijacker

Key Searchs Browser Hijacker

While investigating untrustworthy websites, our researchers discovered the Key Searchs browser extension. After inspecting this piece of software, we determined that it is a browser hijacker promoting (via redirects) the keysearchs.com fake search engine. In most cases, browser hijackers m

SapphireStealer Malware
Trojan

SapphireStealer Malware

SapphireStealer is an information-stealing malware. Its codebase was released to GitHub in December 2022. Since then, several variants with differing capabilities have been discovered. Due to this, it is likely that SapphireStealer is used by multiple threat actors. It is noteworthy that this ste