Categories: Trojan

What is “Trojan:Win32/OffLoader.AST!MTB”?

The Trojan:Win32/OffLoader.AST!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 Trojan:Win32/OffLoader.AST!MTB virus can do?

  • Behavioural detection: Executable code extraction – unpacking
  • Sample contains Overlay data
  • Reads data out of its own binary image
  • Drops a binary and executes it
  • The binary contains an unknown PE section name indicative of packing
  • Authenticode signature is invalid

How to determine Trojan:Win32/OffLoader.AST!MTB?


File Info:

name: 4F38E0695FD92620426E.mlwpath: /opt/CAPEv2/storage/binaries/4c2127acc9ef00808df96977fb6fdd089b733a2a2bd8ad994e5896165e3d6341crc32: 55C945DDmd5: 4f38e0695fd92620426ed00b191d3596sha1: ce58ab4b45e25850296accb8707fa73b064b21afsha256: 4c2127acc9ef00808df96977fb6fdd089b733a2a2bd8ad994e5896165e3d6341sha512: a127545115223cfd6ec378a8331621ba7f10c94122b46202f4040608cf1b1432e9ea49616acd3e4f4d602935741541513171991ede514cd4485bc0ff3cc5418bssdeep: 24576:s7FUDowAyrTVE3U5F/DLKic6QL3E2vVsjECUAQT45deRV9R6:sBuZrEUzKIy029s4C1eH9otype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T15D75BE3FF268A13EC56A1B3245B38320997BBA51B81A8C1E47FC344DCF765601E3B656sha3_384: 4f1e441079fa9488c924e7efef5a6870d75c7bbf758ba3bd9ddd5b842f8d231f7e149812d84f640a33bb8137c692e993ep_bytes: 558bec83c4a453565733c08945c48945timestamp: 2023-02-15 14:54:16

Version Info:

Comments: This installation was built with Inno Setup.CompanyName: FileDescription: Yiff Moon Demo v2 By Yiff Moon Team.exe Setup FileVersion: LegalCopyright: OriginalFileName: ProductName: Yiff Moon Demo v2 By Yiff Moon Team.exe ProductVersion: 1.1 Translation: 0x0000 0x04b0

Trojan:Win32/OffLoader.AST!MTB also known as:

Bkav W32.AIDetectMalware
Lionic Trojan.Win32.OffLoader.a!c
MicroWorld-eScan Trojan.GenericKD.70781756
Skyhigh BehavesLike.Win32.Trojan.tc
McAfee Artemis!4F38E0695FD9
Malwarebytes Adware.Bundler
Sangfor Downloader.Win32.Agent.Vrt2
K7AntiVirus Trojan-Downloader ( 005ae1811 )
Alibaba TrojanDownloader:Win32/OffLoader.01dca812
K7GW Trojan-Downloader ( 005ae1811 )
Arcabit Trojan.Generic.D4380B3C
Symantec Trojan.Gen.MBT
Elastic malicious (high confidence)
ESET-NOD32 a variant of Win32/TrojanDownloader.Agent.HIV
APEX Malicious
Cynet Malicious (score: 100)
Kaspersky Trojan-Downloader.Win32.OffLoader.aivg
BitDefender Trojan.GenericKD.70781756
Avast Win32:Malware-gen
Emsisoft Trojan.GenericKD.70781756 (B)
F-Secure Trojan.TR/Downloader.Gen
VIPRE Trojan.GenericKD.70781756
TrendMicro TROJ_GEN.R002C0DLD23
Sophos Mal/Generic-S
SentinelOne Static AI – Suspicious PE
Google Detected
Avira TR/Downloader.Gen
MAX malware (ai score=82)
Microsoft Trojan:Win32/OffLoader.AST!MTB
ZoneAlarm Trojan-Downloader.Win32.OffLoader.aivg
GData Trojan.GenericKD.70781756
Varist W32/Agent.HTI.gen!Eldorado
Cylance unsafe
Panda Trj/Chgt.AD
TrendMicro-HouseCall TROJ_GEN.R002C0DLD23
Tencent Malware.Win32.Gencirc.13f8cf4e
Ikarus Trojan.Inno.Agent
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/Agent.HIV!tr
AVG Win32:Malware-gen
DeepInstinct MALICIOUS
CrowdStrike win/malicious_confidence_100% (W)

How to remove Trojan:Win32/OffLoader.AST!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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