sentfromfriend[.]com is the address of a dubious website that people do not generally visit intentionally. In most cases, these sites are opened by potentially unwanted applications (PUAs) installed on browsers. When visited, sentfromfriend[.]com displays dubious content or causes redirects to oth
MedusaHTTP is the name of malicious software that was recently discovered by Brad Duncan. It is HTTP-based, DDoS botnet malware written using the .NET framework. Cyber criminals use MedusaHTTP to perform DDoS (Denial-of-service) attacks against websites. MedusaHTTP is also used to attack casino d
Discovered by Michael Gillespie, OmniSphere is malicious software classified as ransomware. It operates by encrypting data and demanding a ransom payment for decryption tool/software for file decryption. When OmniSphere encrypts files, it renames them with the ".omnisphere" extension. For example
allwebdesignesu[.]info is an untrustworthy website that displays dubious content or redirects visitors to other untrustworthy web pages. It is virtually identical to many others of this type such as tiledenherred[.]pro, pushs-veriprt[.]com, and soooners[.]biz. Typically, people do not open these
Speedy SystemCare, also known as Speedy System Care, is software advertised as a system cleaner and optimizer. It is supposedly capable of improving device performance and removing various threats (malicious and unwanted programs, unnecessary and temporary files, etc.). Speedy SystemCare is often
Auto PC Care (also known as Auto~PC~Care) is software that supposedly cleans, optimizes, and improves computer performance by removing malware, unwanted programs, cleaning invalid registry items, and so on. In fact, developers distribute Auto PC Care by including it into the set-ups of other progr
K9-MacOptimizer is software endorsed as an optimizer for the Mac operating system. It is supposedly capable of freeing-up space on the hard drive by removing "junk" and temporary files, securely deleting sensitive and confidential data, etc. K9-MacOptimizer is classified as a Potentially Unwante
The dl-youtube-mp3[.]net website is presented as a free, fast, and easy-to-use converter that allows download and and conversion of YouTube video files to MP3 and MP4 formats. As with most websites of this type, however, it uses rogue advertising networks. Therefore, people who use dl-youtube-mp3
Email Helper App is a rogue application, which is advertised for quick access to users' email accounts and is supposedly capable of enhancing the browsing experience by providing improved search results. This app is classified as a browser hijacker due to the unauthorized changes it makes to brow
Hlpradc is an unwanted application that is installed through another app of this kind called Mac Ads Cleaner. Hlpradc is the reason why MacOS Catalina users regularly see a pop-up window stating that "hlpradc" will damage their computers and they should move it to the Bin. Furthermore, this pop