Prifass.sys is a kind of miner trojan which makes use of your CPU to mine bitcoins for its developer. It will cause difficulties to you when you surf the Internet or have other daily operations. Our researchers have found that Prifass.sys has close relation with infections such as spyware, adware, browser hijacker and worm. It hides on freeware installation files, attachments of spam email, and ads links on porn websites, so it have lots of chances to enter your system.
Once Prifass.sys is activated along with system launch, numerous harmful tasks will be run underground without you knowledge. The major problem it causes is the Internet connection, it will make changes on DNS settings, proxy and browser settings to hijack your web browser with unwanted websites, decelerate your Internet speed, and even completely block your access to all kinds of websites. If it successfully makes your Internet unusable, it generate some fake warnings to tell you that your system is infected and you need to call a toll free to get tech support. Author of Prifass.sys then can cheat you buy fake tech service with several hundred bucks and even let them enter your system remotely. Don’t be scammed by such traps. What you need to do immediately is to take action to get rid of Prifass.sys.