Why you need to remove PUP.Optional.Winsock.HijackBoot as soon as possible:
When PUP.Optional.Winsock.HijackBoot invades into the target PC, it performs lots of harmful activities to disturb computer users to operate their own PC normally and destroy the operating system in the background gradually.
PUP.Optional.Winsock.HijackBoot is good at digging all possible found security vulnerabilities on the affected PC, and then potentially drop and install additional malware on the compromised machine for further harm. This may include: Worm, Keylogger, spyware or Rogue virus. Worst of all, PUP.Optional.Winsock.HijackBoot is capable of collecting sensitive personal information such as online bank account, credit card details, email address and password by tracing your browsing history and cookies.