Threat Database Malware HPmal/ZAccess-A


By JubileeX in Malware

Threat Scorecard

Ranking: 6,924
Threat Level: 10 % (Normal)
Infected Computers: 510
First Seen: August 1, 2013
Last Seen: August 18, 2023
OS(es) Affected: Windows

HPmal/ZAccess-A is a malware infection, which is a part of a new variation of ZeroAccess malware. HPmal/ZAccess-A might be hard to find and remove from the corrupted PC by many security tools. HPmal/ZAccess-A has persistence if it automatically restarts itself when the PC user logs off and logs back on, or when he/she restarts the PC. That makes HPmal/ZAccess-A more hazardous, as it generally serves the cybercriminals for much longer. But the authors of HPmal/ZAccess-A are 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 uninstallation of the ZeroAccess components. RLO is often used by cybercriminals to conceal the extension of malicious .exe files. HPmal/ZAccess-A adds the files into a new location by using the ACL (Access Control List) trick (the Unicode character trick). HPmal/ZAccess-A creates the copies of itself into two locations: %Program Files% folder, and user's local AppData area. Each copy is located in a folder that seems to be as though it included into a Google software product, using non-printable Unicode characters that make it hard to find on some versions of Windows. Mal/ZAccConf-A connects to the peer-to-peeer network and distributes modules that primarily perform click fraud.


HPmal/ZAccess-A may call the following URLs:


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