Mal/ZAccConf-A DescriptionType: Rootkits
Mal/ZAccConf-A is a malevolent configuration file used by the ZeroAccess family of malware. The executable of Mal/ZAccConf-A that uses this configuration file will usually be detected as a variation of Troj/ZAccess, Mal/ZAccess, Mal/Sirefef or Troj/Sirefef. Additionally, there may be accompanying detections of Troj/ZAKMem-A or Troj/ZAUMem in memory. Mal/ZAccConf-A uses the special techniques (the Unicode character trick/ ACL) to guarantee restart persistence. Mal/ZAccConf-A has persistence if it automatically relaunches itself when the computer user logs off and logs back on, or when he/she restarts the PC. That makes Mal/ZAccConf-A more hazardous, as it generally serves the attackers for much longer. But the authors of Mal/ZAccConf-A also use the right-to-left override (RLO) and several other non-printable Unicode characters in both file paths and registry entries to further bypass the detection and removal of the ZeroAccess components. RLO is often used by malicious attackers to conceal the extension of malicious .exe files. Mal/ZAccConf-A connects to the peer-to-peeer network and downloads modules that primarily execute click fraud.
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