KB225571.exe is a trojan and a remote administration tool. This is a very serious infection. KB225571 trojan grants remote attacker access to manipulate the compromised computer. This remote connection may cause much harm to both a computer and a privacy of computer’s owner. KB225571.exe is a dangerous threat, but it is easy to avoid. KB225571.exe spreads … Full KB225571.exe removal guide

ErrorRepair Tool is rogue system optimization tool. It claims to be able to perform many useful functions. It offers files backup, spyware scan, registry repair, browsing history cleaning and similar utilities that are needed on every computer. However, when someone downloads ErrorRepairTool, she/he finds out that the software is absolutely nonfunctional and difficult to delete. … Full ErrorRepair Tool removal guide

QQHelper is one of the most annoying trojans lurking online. QQ Helper is a downloader trojan. This means that it is capable of downloading and installing other malwares. QQHelper doesn’t hide its presence on the compromised machine: it appears as a toolbar on web browser. This trojan is installed by other trojans, but it may also … Full QQHelper removal guide