Trojan-Downloader.Win64.Bitser.apj

Trojan-DownloaderWin64
Detection added: 09.11.2026 17:23:08 (GMT+2)
MD5: 3F7D6DF7EADB2C8C421FBC5D2BAA1738
SHA1: 7839123E28370130D02808C7D5E6B1372EFBA769

Behavior: Trojan Program (Trojan Downloader)

This trojan downloads and installs malicious code on a victim machine.
Trojan-Downloader programs contain information about the names and locations of malware to download and install. This information is usually stored as an encrypted block of data at the end of the file.

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