Categories: Trojan

MSIL/TrojanDropper.Agent.ARB removal instruction

The MSIL/TrojanDropper.Agent.ARB 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/TrojanDropper.Agent.ARB virus can do?

  • Executable code extraction
  • Creates RWX memory
  • Reads data out of its own binary image
  • Drops a binary and executes it
  • The binary likely contains encrypted or compressed data.
  • Network activity detected but not expressed in API logs

How to determine MSIL/TrojanDropper.Agent.ARB?


File Info:

crc32: 65931608md5: 1828a3bd51cdc57e8437b6278049c129name: 1828A3BD51CDC57E8437B6278049C129.mlwsha1: 06d025a031ecf05c3a4082bf33db564c2433e7f8sha256: 1df54f25da8bdbf7842c62b473c7104173127a24cda5c358133d8d5e59f75f95sha512: 4d2f841e9830de64edef602598d14beda3058faaa98f38271f0d57e350c5b41f26b535f92f51aeef3a7a10343c42b2bbf85bc874ad88eef6cc3a50b2696c1a74ssdeep: 24576:NYPHYpSek5F7OkEFxpalMyMYmeDzi0nfN7yFwLeOhFe8kTD9m:SPCSjbSrFxg7MpePiA7yFejkTDItype: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0LegalCopyright: Assembly Version: 0.0.0.0InternalName: 444.ScrFileVersion: 0.0.0.0ProductVersion: 0.0.0.0FileDescription: OriginalFilename: 444.Scr

MSIL/TrojanDropper.Agent.ARB also known as:

K7AntiVirus Trojan ( 0055e3de1 )
Elastic malicious (high confidence)
DrWeb Win32.HLLW.Autoruner2.1243
CrowdStrike win/malicious_confidence_100% (D)
K7GW Trojan ( 0055e3de1 )
Cybereason malicious.d51cdc
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of MSIL/TrojanDropper.Agent.ARB
APEX Malicious
Avast MSIL:GenMalicious-HF [Trj]
Cynet Malicious (score: 99)
Kaspersky Trojan.Win32.Refroso.hnlr
BitDefender Gen:Heur.MSIL.Bladabindi.1
NANO-Antivirus Trojan.Win32.Refroso.dhnzyh
MicroWorld-eScan Gen:Heur.MSIL.Bladabindi.1
Tencent Win32.Trojan.Refroso.Dwtk
Ad-Aware Gen:Heur.MSIL.Bladabindi.1
Sophos ML/PE-A
Comodo Malware@#2koqlvskghwl0
BitDefenderTheta Gen:NN.ZemsilF.34266.nn0@auQ6EOm
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition BehavesLike.Win32.Generic.tc
FireEye Generic.mg.1828a3bd51cdc57e
Emsisoft Gen:Heur.MSIL.Bladabindi.1 (B)
SentinelOne Static AI – Malicious PE
Avira TR/Dropper.MSIL.Gen
Antiy-AVL Trojan/Generic.ASMalwS.CCD8D3
Kingsoft Win32.Troj.Refroso.hn.(kcloud)
Microsoft Trojan:Win32/Dynamer!ac
Arcabit Trojan.MSIL.Bladabindi.1
GData Gen:Heur.MSIL.Bladabindi.1
McAfee Artemis!1828A3BD51CD
MAX malware (ai score=86)
VBA32 Trojan.Refroso
Panda Trj/Chgt.J
Yandex Trojan.DR.Agent!z2vMyE9vLC8
Ikarus Trojan-Dropper.MSIL.Agent
MaxSecure Trojan.Malware.300983.susgen
Fortinet MSIL/Agent.ARB!tr
AVG MSIL:GenMalicious-HF [Trj]

How to remove MSIL/TrojanDropper.Agent.ARB?

  • 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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