Virus and Spyware Removal Guides, uninstall instructions

What is VirtualGuest?

Detected by our researchers on new submissions to VirusTotal, VirtualGuest is a rogue application. During analysis, we discovered this piece of software to be an adware-type app belonging to the AdLoad malware family.

What kind of page is mp3fromyou[.]tube?

Mp3fromyou[.]tube is an untrustworthy website, which our research team found when inspecting rogue advertising networks. This site offers the illegal service of converting YouTube videos (via links) to downloadable MP3 audio files.

In addition to breaking copyright laws, visiting/using mp3fromyou[.]tube also poses certain threats. This website uses rogue advertising networks, which cause redirects to other suspicious and dangerous pages. Mp3fromyou[.]tube also requests visitors to allow its browser notifications that it uses for ad spam.

What is Allcome Clipper?

Discovered by malware analyst 3xp0rt, Allcome is a clipper-type malicious program. Malware of this type targets cryptocurrencies by replacing clipboard (copy-paste buffer) data for outgoing transactions.

What is Wgbkr ransomware?

Discovered by our research team during a routine inspection on new submissions into VirusTotal, Wgbkr is a ransomware-type program.

When launched on our test machine, it encrypted files and appended their filenames with a random character string and the ".wgbkr" extension. For example, a file originally titled "1.jpg" appeared as "1.jpg.G5l-bEBAA2_yokQem-6iF0GEtBkwWQlFddPrnC-OzTX_UwuQzloTzfw0.wgbkr". This ransomware also created a ransom note named "isJD_HOW_TO_DECRYPT.txt".

What kind of malware is DarkWatchman?

We have read about the DarkWatchman malware in a blog post written by other malware researchers. We've learned that DarkWatchman is a JavaScript-based Remote Access Trojan (RAT) that cybercriminals distribute using malicious email attachments. We also found that DarkWatchman does not write any files to disk, which allows it to run undetected by most antivirus solutions.

What is Granda Misha?

Granda Misha is a multifunctional trojan-type malware. Our researchers obtained a sample from VirusTotal and subsequently analyzed and researched this malicious program. Granda Misha has a broad list of functions, meaning that it can be used for varied purposes and cause a wide variety of serious problems.

What kind of page displays the "You need to update your browser to view the content" message?

We have discovered this deceptive page while examining other pages that use questionable advertising networks. The purpose of this site is to trick visitors into downloading and executing a file that is supposed to update the Chrome browser. Our team has downloaded the file and learned that it is flagged on VirusTotal as malicious.

What is Quick Tag?

Quick Tag is a rogue browser extension, which our research team has determined to be a browser hijacker. This piece of dubious software modifies browsers to promote the quicknewtab.com fake search engine.

What kind of website is bulletspeed-updates[.]com?

Our team has examined the bulletspeed-updates[.]com page and found that its purpose is to trick visitors into agreeing to receive notifications that promote untrustworthy websites. We have discovered bulletspeed-updates[.]com while visiting pages that use rogue advertising networks.

What is ResponseIntellect?

We discovered ResponseIntellect when a Combo Cleaner user reported the presence of suspicious programs on their device. ResponseIntellect is a rogue application, which our researchers have classified as adware. We also determined that it belongs to the AdLoad malware family.

Following installation onto our test machine, this app ran intrusive advertisement campaigns (displayed various ads). While ResponseIntellect did not exhibit any browser hijacker qualities on the test system, our experience with AdLoad adware suggests that it may have such abilities.