Some variants of pwnhack.com miner load kernel-mode drivers. Use or Sophos Virus Removal Tool .
The miner does not install itself magically. Users typically encounter pwnhack.com through: pwnhack.com miner
Strictly speaking, it is not a "virus" (which self-replicates). It is a – a malicious program disguised as something benign. However, its impact is severe: Some variants of pwnhack