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Aliases: Backdoor.Win32.ZAccess.tyi (Kaspersky) Mal/ZAccess-CA (Sophos) TR/ATRAPS.Gen2 (Avira) TROJ_SIREFEF.CZ (Trend Micro) Trojan.Win32.Alureon (Ikarus) ZeroAccess (McAfee)
Microsoft security software detects and removes this threat.
This threat is a member of the Win32/Sirefef family. Trojans in this family can do different things, including:
- Changing your search results
- Downloading and running other files
- Contacting remote hosts
- Disabling security features
Sirefef variants can be installed by other malware, including members of the Trojan:Win32/Necurs family.