Categories: Trojan

TrojanDownloader.Bitser information

The TrojanDownloader.Bitser is considered dangerous by lots of security experts. When this infection is active, you may notice unwanted processes in Task Manager list. In this case, it is adviced to scan your computer with GridinSoft Anti-Malware.

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Removing PC viruses manually may take hours and may damage your PC in the process. We recommend using GridinSoft Anti-Malware for virus removal. Allows to complete scan and cure your PC during the trial period.
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What TrojanDownloader.Bitser virus can do?

  • Executable code extraction
  • Creates RWX memory
  • Expresses interest in specific running processes
  • Reads data out of its own binary image
  • Drops a binary and executes it
  • A scripting utility was executed
  • Uses Windows utilities for basic functionality
  • Deletes its original binary from disk
  • Creates or sets a registry key to a long series of bytes, possibly to store a binary or malware config
  • Checks the CPU name from registry, possibly for anti-virtualization
  • Anomalous binary characteristics

How to determine TrojanDownloader.Bitser?


File Info:

crc32: 27DCBB35md5: ea398096801e2923a469c85314900179name: EA398096801E2923A469C85314900179.mlwsha1: 2a6979f9d539a8d7f9fe81fb2f26de4d8a817911sha256: 083b1363d68648bdc30e89628660b8b6ce9ed91bcef2af5ce3549d79bffd1fdcsha512: 3f74b19b4a62e43862995d2a48bcba0f7b8170da17cefd8695cfbd65003b50bcc60ff1600643bd08a4a6f739c0631d9ba17ff78e56c0b82073778a806ac5a58assdeep: 196608:Cz4A4fNbrWvbcbO0UHkDUgyOrgZK0obzL/8LIXz7qawnZ0FdfwBHcHssQQ3bt4wO:Cz4A8NvWIqOJqpobv8EyheFdYBHDICwOtype: PE32 executable (GUI) Intel 80386 (stripped to external PDB), for MS Windows

Version Info:

0: [No Data]

TrojanDownloader.Bitser also known as:

DrWeb Trojan.BPlug.3926
Malwarebytes Malware.AI.1214166004
Zillya Downloader.Bitser.Win32.1913
Sangfor Trojan.Win32.Bitser.gen
CrowdStrike win/malicious_confidence_60% (D)
Alibaba TrojanDownloader:Win32/Bitser.1b15b348
Symantec Trojan.Gen.MBT
Avast Win32:Malware-gen
ClamAV Win.Malware.Bitser-9873558-0
Kaspersky HEUR:Trojan-Downloader.Win32.Bitser.gen
Tencent Win32.Trojan-downloader.Bitser.Akez
McAfee-GW-Edition BehavesLike.Win32.Dropper.rc
FireEye Generic.mg.ea398096801e2923
Avira HEUR/AGEN.1138824
Kingsoft Win32.Troj.Undef.(kcloud)
Microsoft Trojan:Win32/Wacatac.B!ml
McAfee Artemis!EA398096801E
VBA32 TrojanDownloader.Bitser
Rising Trojan.PSRunner/NSIS!1.D5F9 (CLASSIC)
Ikarus Trojan.Wdfload
Fortinet NSIS/Bitser.BD3!tr
AVG Win32:Malware-gen

How to remove TrojanDownloader.Bitser?

  • Download and install GridinSoft Anti-Malware.
  • Open GridinSoft Anti-Malware and perform a “Standard scan“.
  • Move to quarantine” all items.
  • Open “Tools” tab – Press “Reset Browser Settings“.
  • Select proper browser and options – Click “Reset”.
  • Restart your computer.
Paul Valéry

I'm a cyber security analyst and data science expert with 5+ years of experience with security software contractors.

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