Categories: Trojan

TrojanDownloader:MSIL/SmallCrypt.A!MTB malicious file

The TrojanDownloader:MSIL/SmallCrypt.A!MTB 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 TrojanDownloader:MSIL/SmallCrypt.A!MTB virus can do?

  • CAPE extracted potentially suspicious content
  • Authenticode signature is invalid

How to determine TrojanDownloader:MSIL/SmallCrypt.A!MTB?


File Info:

name: BAC13B490AFAFF855513.mlwpath: /opt/CAPEv2/storage/binaries/12164bac6c044f8d87e6478b8594dea1c1ec599ef59f4b13b79f39529d7c39e9crc32: 9619512Amd5: bac13b490afaff855513573e2b728372sha1: 196c881272cdcc80daa2307d380a1853ee499c76sha256: 12164bac6c044f8d87e6478b8594dea1c1ec599ef59f4b13b79f39529d7c39e9sha512: 93a41d1c359da0cc043a3dd4a421fa867e80f870c05843a57225cb255b590c0cd94f639dad8755fe4dd6764b51c1a5d47f5b4d3dca896748013ba2724f570410ssdeep: 192:wknL0yWA7oTNI+r720LK8CYIUQ1fOigmeH:IyIBV720LKA+fOigmetype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T12032B5127BE58731E9B74B3D18779540023AFA12E857EB7E5598001E49A373087B2F73sha3_384: c7a76d6be729f5f05c41dc7bdfd14be42144e808a950ba03cc39350db9ec757f390665b29588dbf028200556f0b1bffdep_bytes: ff250020400000000000000000000000timestamp: 2021-03-05 10:44:25

Version Info:

Translation: 0x0000 0x04b0Comments: CompanyName: FileDescription: CCDownloaderFileVersion: 1.0.0.0InternalName: CCDownloader.exeLegalCopyright: LegalTrademarks: OriginalFilename: CCDownloader.exeProductName: CCDownloaderProductVersion: 1.0.0.0Assembly Version: 1.0.0.0

TrojanDownloader:MSIL/SmallCrypt.A!MTB also known as:

Bkav W32.AIDetectMalware.CS
Lionic Trojan.Win32.Agent.Y!c
MicroWorld-eScan Gen:Variant.Bulz.405021
Skyhigh Artemis!Trojan
ALYac Gen:Variant.Bulz.405021
Cylance unsafe
VIPRE Gen:Variant.Bulz.405021
Sangfor Downloader.Msil.Small.Vchi
K7AntiVirus Trojan-Downloader ( 005798d61 )
BitDefender Gen:Variant.Bulz.405021
K7GW Trojan-Downloader ( 005798d61 )
CrowdStrike win/malicious_confidence_100% (W)
Symantec ML.Attribute.HighConfidence
Elastic malicious (moderate confidence)
ESET-NOD32 MSIL/TrojanDownloader.Small.CLA
Kaspersky HEUR:Trojan-Downloader.MSIL.Agent.gen
Alibaba Trojan:MSIL/Generic.4ef0c6ed
Avast Win32:Trojan-gen
Emsisoft Gen:Variant.Bulz.405021 (B)
Zillya Downloader.Small.Win32.137955
TrendMicro TROJ_GEN.R002C0DB424
FireEye Gen:Variant.Bulz.405021
Sophos Mal/Generic-S
SentinelOne Static AI – Malicious PE
GData Gen:Variant.Bulz.405021
Webroot W32.Trojan.Gen
Varist W32/ABRisk.VKUA-0823
MAX malware (ai score=88)
Antiy-AVL Trojan[Downloader]/MSIL.Small
Arcabit Trojan.Bulz.D62E1D
ZoneAlarm HEUR:Trojan-Downloader.MSIL.Agent.gen
Microsoft TrojanDownloader:MSIL/SmallCrypt.A!MTB
Google Detected
AhnLab-V3 Trojan/Win.Generic.C4958402
McAfee Artemis!BAC13B490AFA
VBA32 TrojanDownloader.MSIL.Agent
Malwarebytes Generic.Malware/Suspicious
Panda Trj/GdSda.A
TrendMicro-HouseCall TROJ_GEN.R002C0DB424
Rising Downloader.Agent!8.B23 (CLOUD)
Ikarus Trojan-Downloader.MSIL.Agent
MaxSecure Trojan.Malware.7164915.susgen
Fortinet MSIL/Small.CLA!tr.dldr
BitDefenderTheta Gen:NN.ZemsilF.36802.am0@aKNY@xm
AVG Win32:Trojan-gen
Cybereason malicious.90afaf
DeepInstinct MALICIOUS

How to remove TrojanDownloader:MSIL/SmallCrypt.A!MTB?

  • 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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