Win32/Zayan [Threat Name] go to Threat

Win32/Zayan.A [Threat Variant Name]

Category trojan
Size 52736 B
Aliases Trojan.Win32.Zayan (Kaspersky)
  Zayan.trojan (McAfee)
  Trojan:Win32/Zayan.A (Microsoft)
  Trojan.Zayan.B (BitDefender)
Short description

Win32/Zayan.A is a trojan that deletes files in specific folders. The file is run-time compressed using UPX .


The trojan does not create any copies of itself.

The trojan is usually a part of other malware.

Other information

The trojan attempts to delete the following files:

  • %system%\­zyandyhb.dll
  • %system%\­mseditcpl.exe
  • %system%\­mswincpl.exe

The following Registry entries are deleted:

  • [HKEY_CURRENT_USER\­Software\­Microsoft\­Windows NT\­CurrentVersion\­Windows]
    • "load"
    • "%system%\­mswincpl.exe"

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