Backdoor.Win64.Crysan.bil

BackdoorWin64
Detection added: 14.11.2026 19:55:33 (GMT+2)
MD5: 480901CBA5EEE82DD05691D79954402E
SHA1: BCA9506ECF45189A3DC3D79CBC2F75DCF84A6C60

Behavior: Backdoor Trojan

Backdoor Trojans provide the author or hacker with remote administration of victim machines. Backdoors can be instructed to send, receive, execute and delete files, harvest confidential data from the computer, log activity on the computer and more.

Platform: Win64

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

Systems affected: Windows XP (x64), Windows Vista (x64), Windows 7 (x64), Windows 8 (x64), Windows 10 (x64), Windows 11 (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