Categories: Trojan

Should I remove “Trojan-Downloader.VBS.Agent”?

The Trojan-Downloader.VBS.Agent 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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What Trojan-Downloader.VBS.Agent virus can do?

  • SetUnhandledExceptionFilter detected (possible anti-debug)
  • Dynamic (imported) function loading detected
  • Possible date expiration check, exits too soon after checking local time
  • The binary contains an unknown PE section name indicative of packing
  • Authenticode signature is invalid
  • Uses Windows utilities for basic functionality
  • Attempts to repeatedly call a single API many times in order to delay analysis time

How to determine Trojan-Downloader.VBS.Agent?


File Info:

name: 77B8D54EE8764D67E0BF.mlwpath: /opt/CAPEv2/storage/binaries/b240a9cb524472098be90ff36418c1127f8a476d65f65cd77ef856d5429256abcrc32: 23A12F18md5: 77b8d54ee8764d67e0bf7afe53230e0asha1: e425d865df52195732a8953e236b4562606fd171sha256: b240a9cb524472098be90ff36418c1127f8a476d65f65cd77ef856d5429256absha512: 4de478a705af416e823640d247ae28db341e6a429311f99768444181a4ded7b02ee57cb47eeba28c985af09de8095e1ad985893c9b669b6239cde8f1028b3ffassdeep: 1536:D7fbN3eEDhDPA/pICdUkbBtW7upvaLU0bI5taxKo0IOlnToIfWwcEGF7OK:f7DhdC6kzWypvaQ0FxyNTBfWxE0type: PE32 executable (console) Intel 80386, for MS Windowstlsh: T193937D41F3E102F7EAF2053100A6722F973663389764A8DBC75C2E529913AD5A63D3E9sha3_384: bf059d4a13238ceae88aa70fe3a4a2e8297f04c1415b28fd1071545f5eba41bbb11f8c2f6a6423c62c59e409cd206220ep_bytes: 68ac00000068000000006868804100e8timestamp: 2019-07-30 08:52:45

Version Info:

0: [No Data]

Trojan-Downloader.VBS.Agent also known as:

Bkav W32.AIDetect.malware2
FireEye Generic.mg.77b8d54ee8764d67
Malwarebytes Malware.Heuristic.1008
Sangfor Trojan.Win32.Save.a
K7AntiVirus Trojan ( 0052419b1 )
K7GW Trojan ( 0052419b1 )
CrowdStrike win/malicious_confidence_60% (W)
Cyren W32/Agent.EDI.gen!Eldorado
Symantec ML.Attribute.HighConfidence
Elastic malicious (high confidence)
ESET-NOD32 BAT/Agent.PBV
APEX Malicious
Kaspersky HEUR:Trojan-Downloader.VBS.Agent.gen
Avast Win32:Trojan-gen
Sophos Mal/Generic-S
McAfee-GW-Edition BehavesLike.Win32.Ramnit.nh
Ikarus Trojan.BAT.KillAV
Antiy-AVL Trojan/Generic.ASMalwS.5174
Microsoft Trojan:Win32/Wacatac.B!ml
GData Win32.Trojan.Agent.9R2ETA
Cynet Malicious (score: 100)
AhnLab-V3 Malware/Gen.Generic.C5204914
McAfee RDN/Generic Downloader.x
Cylance Unsafe
Rising Trojan.Generic@AI.100 (RDMK:6gfZtcJ9I9K5bYXL87gb9w)
SentinelOne Static AI – Malicious PE
MaxSecure Trojan.Malware.11973.susgen
Fortinet BAT/Agent.PBV!tr
AVG Win32:Trojan-gen
Cybereason malicious.5df521

How to remove Trojan-Downloader.VBS.Agent?

  • 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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