Categories: Trojan

About “MSIL/TrojanDropper.Agent.ACE” infection

The MSIL/TrojanDropper.Agent.ACE 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.ACE 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
  • .NET file is packed/obfuscated with SmartAssembly
  • Authenticode signature is invalid
  • Anomalous .NET characteristics

How to determine MSIL/TrojanDropper.Agent.ACE?


File Info:

name: 695803AA69736A64BD2A.mlwpath: /opt/CAPEv2/storage/binaries/b7a824448b38598262ce9e0198d61ba2382727e85e938a29e6fa17618e855163crc32: 9DB07644md5: 695803aa69736a64bd2a50dbcaa1b42fsha1: ddc0f7a089f86fb0ed52acb354bc2ebfd9524a6bsha256: b7a824448b38598262ce9e0198d61ba2382727e85e938a29e6fa17618e855163sha512: 05d0805ffd16fb949784f6d6c0848029b14bff1fbd4e7efb6ca769343454242679b7c45c715926d849fc32ca8d60e064c701286e39e0ee71c05746a2aa632d2essdeep: 384:wV09oJvTQlqTkKsfN2nZc743ycno5D4PQyIEOov0qwZ6AfUs4VLkZ0EfVP3mkz:J9oJvYqTknNF4ivD4VqoyQAss4p+type: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1C0E24B4167A8CBA3E9BE47B8DCB6135047B1E126562AF79F0D8850FC4EA33D949113A3sha3_384: de8acb33a8e6ab9ceca66d639848803ca5087e46a0dd28e1f839c952a3ad45f1d05fee181c0ec53a4b40fd047b530fc0ep_bytes: ff250020400000000000000000000000timestamp: 2011-08-07 18:53:05

Version Info:

Translation: 0x0000 0x04b0

MSIL/TrojanDropper.Agent.ACE also known as:

tehtris Generic.Malware
MicroWorld-eScan Gen:Variant.MSILPerseus.46802
FireEye Generic.mg.695803aa69736a64
McAfee RDN/Generic Dropper
Cylance Unsafe
Sangfor Suspicious.Win32.Save.a
BitDefender Gen:Variant.MSILPerseus.46802
BitDefenderTheta Gen:NN.ZemsilF.34806.bmW@aqB06ue
Symantec ML.Attribute.HighConfidence
Elastic malicious (high confidence)
ESET-NOD32 a variant of MSIL/TrojanDropper.Agent.ACE
ClamAV Win.Malware.Zpevdo-9950498-0
Kaspersky HEUR:Trojan.Win32.Generic
Ad-Aware Gen:Variant.MSILPerseus.46802
Emsisoft Gen:Variant.MSILPerseus.46802 (B)
VIPRE Gen:Variant.MSILPerseus.46802
McAfee-GW-Edition BehavesLike.Win32.Generic.nh
SentinelOne Static AI – Malicious PE
Sophos Generic ML PUA (PUA)
APEX Malicious
Avira TR/Dropper.MSIL.Gen
Microsoft Trojan:Win32/Wacatac.B!ml
GData Gen:Variant.MSILPerseus.46802
Cynet Malicious (score: 99)
ALYac Gen:Variant.MSILPerseus.46802
MAX malware (ai score=89)
Ikarus Trojan-Dropper.MSIL.Agent
Cybereason malicious.a69736

How to remove MSIL/TrojanDropper.Agent.ACE?

  • 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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