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: 13EA42E1EC30436C1E7A.mlwpath: /opt/CAPEv2/storage/binaries/36dde58d014ae0f7e6571c1b78bbe72b8e45d616f992e748d680e86d9ceed6f0crc32: E0A802A4md5: 13ea42e1ec30436c1e7aad89fa618369sha1: af28398727fa4d1291867a084640b838cd51dd45sha256: 36dde58d014ae0f7e6571c1b78bbe72b8e45d616f992e748d680e86d9ceed6f0sha512: 6201f44065cdb4d218aafade424c0723cd38676e655cdfc41aee4731deccb68b34038b8cf6cf154cc94de0e72d602712cf40432c497a61eddb03f9fb21b1a8f3ssdeep: 24576:s7FUDowAyrTVE3U5F/msJVHKic6QL3E2vVsjECUAQT45deRV9R1:sBuZrEUdHKIy029s4C1eH9Ttype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T14375BF3FF268A13EC5AA1B3245738320997BBA51B81A8C1E47FC344DCF765601E3B656sha3_384: 068467f9954dc9412905e5db64c814c1cfe30c50789f2902c630e410b471ed924bd5da6dfe2c5673809a41e0fdd81afbep_bytes: 558bec83c4a453565733c08945c48945timestamp: 2023-02-15 14:54:16

Version Info:

Comments: This installation was built with Inno Setup.CompanyName: FileDescription: Nemurimouto v004 By Pachipoi.exe Setup FileVersion: LegalCopyright: OriginalFileName: ProductName: Nemurimouto v004 By Pachipoi.exe ProductVersion: 1.1 Translation: 0x0000 0x04b0

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

Bkav W32.AIDetectMalware
Lionic Trojan.Win32.OffLoader.a!c
Elastic malicious (high confidence)
MicroWorld-eScan Trojan.GenericKD.70675780
FireEye Trojan.GenericKD.70675780
Skyhigh BehavesLike.Win32.Trojan.tc
Cylance unsafe
Sangfor Downloader.Win32.Offloader.Vs44
K7AntiVirus Trojan-Downloader ( 005ae1811 )
Alibaba TrojanDownloader:Win32/OffLoader.164f726e
K7GW Trojan-Downloader ( 005ae1811 )
Arcabit Trojan.Generic.D4366D44
Symantec Trojan.Gen.MBT
ESET-NOD32 a variant of Win32/TrojanDownloader.Agent.HIV
Cynet Malicious (score: 100)
APEX Malicious
Kaspersky Trojan-Downloader.Win32.OffLoader.aiqg
BitDefender Trojan.GenericKD.70675780
Avast Win32:Malware-gen
Tencent Malware.Win32.Gencirc.13f8b87b
Emsisoft Trojan.GenericKD.70675780 (B)
F-Secure Trojan.TR/Downloader.Gen
VIPRE Trojan.GenericKD.70675780
TrendMicro TROJ_GEN.R002C0XL723
Sophos Mal/Generic-S
Ikarus Trojan.Inno.Agent
Varist W32/Agent.HTI.gen!Eldorado
Avira TR/Downloader.Gen
Microsoft Trojan:Win32/OffLoader.AST!MTB
ZoneAlarm Trojan-Downloader.Win32.OffLoader.aiqg
GData Trojan.GenericKD.70675780
Google Detected
MAX malware (ai score=86)
Malwarebytes Adware.Bundler
Panda Trj/Chgt.AD
TrendMicro-HouseCall TROJ_GEN.R002C0XL723
SentinelOne Static AI – Suspicious PE
MaxSecure Trojan.Malware.221714368.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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