Trojan.Win32.CobaltStrike.oyk

TrojanWin32
Detection added: 01.11.2026 07:16:09 (GMT+2)
MD5: D27C139836642039A2CE952AF89A9439
SHA1: EBA9C913125667DE61D849D056AE0572597847F4

Behavior: Trojan Program (Trojan Horse)

A malicious trojan horse or bot that may represent a security risk for the compromised system and/or its network environment.
A Trojan horse is a malicious program that is disguised as or embedded within legitimate software. The term is derived from the classical myth of the Trojan Horse. Trojans may look useful or interesting (or at the very least harmless) to an unsuspecting user, but are actually harmful when executed.

Platform: Win32

This malware is in the Portable Executable (PE) format — a file format for executables, object code, DLLs, FON font files, and others used in 32-bit and 64-bit versions of Windows.

Systems affected: Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows Server 2003, Windows XP, Windows Vista, Windows 7 (x86/x64), Windows 8 (x86/x64), Windows 10 (x86/x64), Windows 11 (x86/x64)

NOTE: The hash is only listed for the first detected malicious file. SHA/MD5 hash is not intended as a security/antivirus solution; it provides additional information that allows you to identify known malware files.

How to prevent infection

  • Use up-to-date antivirus software.
  • Install the latest updates for your operating system and installed software.
  • Use strong passwords and password management software.
  • Use caution when opening attachments, accepting file transfers and clicking on links to web pages.

Learn more