Categories: Trojan

MSIL/TrojanDownloader.Small.BQA information

The MSIL/TrojanDownloader.Small.BQA 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 MSIL/TrojanDownloader.Small.BQA virus can do?

  • SetUnhandledExceptionFilter detected (possible anti-debug)
  • Creates RWX memory
  • Guard pages use detected – possible anti-debugging.
  • Dynamic (imported) function loading detected
  • CAPE extracted potentially suspicious content
  • The binary contains an unknown PE section name indicative of packing
  • Authenticode signature is invalid

How to determine MSIL/TrojanDownloader.Small.BQA?


File Info:

name: 9B40EF4F14312350E7F3.mlwpath: /opt/CAPEv2/storage/binaries/6382288c0b0d51054c08f9e804b04049f6a69b5cfa4cf70bbddd0aa2b757cc1bcrc32: E65C6358md5: 9b40ef4f14312350e7f3f5ee6b73a2e2sha1: bbcc1e88a8f5a3b87328398f1b918214ddc90e7esha256: 6382288c0b0d51054c08f9e804b04049f6a69b5cfa4cf70bbddd0aa2b757cc1bsha512: cc4b155e079f29dc8e315b5814edd1d054388d2ec1edfa537168e1f3c527da3360c272530ade58b3f2c467d47a74d41432001be25283ce820ee0573ee6d0cf01ssdeep: 768:zf1/7H+e83jm4pgbOHNqWJYW5ZQ+hJ+cmhJp9hpaVbVqk3CHO9z0DauxXrG3Xz9W:b1/7H+e83S4qbOHNqWJYW5ZQ+hJ+cmhRtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T16EF2C99FF6988520E92DFB779C4252616A3686030D03DEBF5DC74E854373BE14E84CA5sha3_384: f55c1a0a87c793b2147088003155f681393bc3d621edcf8ae8fcfe52de0f33bdc77cee3ba9ce49432aee1dbfcf4eead8ep_bytes: ff250020400000000000000000000000timestamp: 2018-06-28 23:13:48

Version Info:

Translation: 0x0000 0x04b0FileDescription: SistemFileVersion: 5.8.6.0InternalName: ትЬiロbg.exeLegalCopyright: OriginalFilename: ትЬiロbg.exeProductName: SistemProductVersion: 5.8.6.0Assembly Version: 6.7.0.7

MSIL/TrojanDownloader.Small.BQA also known as:

Lionic Trojan.Win32.Generic.4!c
Elastic malicious (high confidence)
MicroWorld-eScan Trojan.GenericKD.45692965
FireEye Generic.mg.9b40ef4f14312350
McAfee Artemis!9B40EF4F1431
Cylance Unsafe
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_90% (W)
Alibaba Trojan:MSIL/Generic.a567d369
K7GW Trojan-Downloader ( 00530cde1 )
K7AntiVirus Trojan-Downloader ( 00530cde1 )
ESET-NOD32 a variant of MSIL/TrojanDownloader.Small.BQA
APEX Malicious
BitDefender Trojan.GenericKD.45692965
Avast Win32:Malware-gen
Ad-Aware Trojan.GenericKD.45692965
Emsisoft Trojan.GenericKD.45692965 (B)
Comodo Malware@#31aikbib2cy91
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition Artemis!Trojan
Sophos Mal/Generic-S
Ikarus Trojan-Downloader.MSIL.Small
GData Trojan.GenericKD.45692965
eGambit Unsafe.AI_Score_99%
Avira HEUR/AGEN.1103993
MAX malware (ai score=80)
Arcabit Trojan.Generic.D2B93825
Microsoft Backdoor:Win32/Bladabindi!ml
Cynet Malicious (score: 99)
BitDefenderTheta Gen:NN.ZemsilF.34084.cq0@auIFaKg
TrendMicro-HouseCall TROJ_GEN.R002H0CLA21
Yandex Trojan.DL.Small!4UjdZybHu5g
SentinelOne Static AI – Malicious PE
MaxSecure Trojan.Malware.300983.susgen
Fortinet MSIL/Small.BQA!tr.dldr
AVG Win32:Malware-gen
Cybereason malicious.f14312
Panda Trj/GdSda.A

How to remove MSIL/TrojanDownloader.Small.BQA?

  • 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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