Categories: Trojan

About “Win32/TrojanDownloader.Small_AGen.O” infection

The Win32/TrojanDownloader.Small_AGen.O 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 Win32/TrojanDownloader.Small_AGen.O virus can do?

  • Drops a binary and executes it
  • Authenticode signature is invalid
  • Creates a copy of itself

How to determine Win32/TrojanDownloader.Small_AGen.O?


File Info:

name: 38FDE5CDF38D21E37CEF.mlwpath: /opt/CAPEv2/storage/binaries/c73c834ca1f9427aa6cc7d067b55d762040449ce8963ef307df1f9ced45a4b4dcrc32: 73D0F537md5: 38fde5cdf38d21e37ceff74be390dbebsha1: fcf419dfa630bf97e05f24587fa8e340c2c8b223sha256: c73c834ca1f9427aa6cc7d067b55d762040449ce8963ef307df1f9ced45a4b4dsha512: 0ef9d64fb551ec34b776a01fee6a871b54498d1b9d0333c78f58e53af64e23b9bf05b11726cace0fea688718450f19fe82fdb1e9af2abc766c4a19126137ee04ssdeep: 48:6Df0IEy/Ur/Ul/UA8wTcwcmQOCVO0VxViGzQw2GPO5FxIEW7kthBzzdoB0:zEUOawTcwcmQOCk0VxNUw+akxzqtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T19691B8C754ACB848D065CFF824FE0D0058C7C69017AE8F7612255EEE465E29AA12CB6Csha3_384: a57b808dfb3961280c644289a41d5fb532dbe4a619886510b75bbf7a493ec9577f87a3dba847005e80a901e00ee0b13bep_bytes: 51590bf68bfeb9a80200008bff0bc90btimestamp: 2007-02-21 13:03:21

Version Info:

0: [No Data]

Win32/TrojanDownloader.Small_AGen.O also known as:

Bkav W32.AIDetectMalware
Lionic Trojan.Win32.Generic.4!c
Elastic malicious (high confidence)
DrWeb Trojan.MulDrop22.10067
MicroWorld-eScan Gen:Heur.Mint.SP.Sneaky.1
FireEye Generic.mg.38fde5cdf38d21e3
McAfee Artemis!38FDE5CDF38D
Malwarebytes Trojan.MalPack
Sangfor Downloader.Win32.Small.Vhjg
Alibaba TrojanDownloader:Win32/Small_AGen.084cd09a
Cybereason malicious.df38d2
BitDefenderTheta Gen:NN.ZexaF.36250.aiW@aSeOaNp
Cyren W32/Heuristic-119!Eldorado
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/TrojanDownloader.Small_AGen.O
APEX Malicious
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Gen:Heur.Mint.SP.Sneaky.1
NANO-Antivirus Virus.Win32.Gen-Crypt.ccnc
Avast Win32:Dh-A [Heur]
Rising Trojan.Scar!8.33F (TFE:5:HkodTx3xabK)
Emsisoft Gen:Heur.Mint.SP.Sneaky.1 (B)
F-Secure Heuristic.HEUR/AGEN.1345226
VIPRE Gen:Heur.Mint.SP.Sneaky.1
TrendMicro Mal_Mlwr-13
McAfee-GW-Edition BehavesLike.Win32.Infected.xm
Trapmine suspicious.low.ml.score
Sophos Mal/Generic-S
Ikarus Trojan-Downloader.Win32.Small
GData Gen:Heur.Mint.SP.Sneaky.1
Google Detected
Avira HEUR/AGEN.1345226
MAX malware (ai score=82)
Antiy-AVL Trojan[Downloader]/Win32.Small
Arcabit Trojan.Mint.SP.Sneaky.1
ZoneAlarm HEUR:Trojan.Win32.Generic
Microsoft Trojan:Win32/Wacatac.B!ml
Cynet Malicious (score: 100)
ALYac Gen:Heur.Mint.SP.Sneaky.1
Cylance unsafe
Panda Trj/Chgt.AC
TrendMicro-HouseCall Mal_Mlwr-13
Tencent Win32.Trojan.Generic.Bzlw
Yandex Trojan.GenAsa!c5FeVT9bhes
SentinelOne Static AI – Suspicious PE
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/Agent.AGO!tr
AVG Win32:Dh-A [Heur]
DeepInstinct MALICIOUS
CrowdStrike win/malicious_confidence_100% (W)

How to remove Win32/TrojanDownloader.Small_AGen.O?

  • 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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