Troj/ZAccInf-B is found by security solutions in Windows system file. The file is responsible for system services, namely ensuring their proper launching, running and timing.
Removal of Troj/ZAccInf-B is necessary to prevent errors in critical Windows file. In the meantime, the malware has a payload given by remote computer, to which it connects through hidden communication channel.
Start free scan with security tool available here – to get rid of Troj/ZAccInf-B in such a way as to make no harm to affected system file and to completely disinfect it of the parasite.