Categories: Malware

How to remove “MSIL/Packed.CodeWall.A”?

The MSIL/Packed.CodeWall.A 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/Packed.CodeWall.A virus can do?

  • SetUnhandledExceptionFilter detected (possible anti-debug)
  • Creates RWX memory
  • Guard pages use detected – possible anti-debugging.
  • Dynamic (imported) function loading detected
  • Enumerates the modules from a process (may be used to locate base addresses in process injection)
  • Reads data out of its own binary image
  • CAPE extracted potentially suspicious content
  • The binary likely contains encrypted or compressed data.
  • Authenticode signature is invalid
  • Anomalous .NET characteristics

How to determine MSIL/Packed.CodeWall.A?


File Info:

name: 29AFC4E001D1A9520319.mlwpath: /opt/CAPEv2/storage/binaries/901f7c4fdfe5727679315848e3472a0817cb4ad34006b77144ce57a9cf5daecacrc32: 930DB8E3md5: 29afc4e001d1a95203190c0c6b067a60sha1: e48bb396ebc2eac1f4553774b19ad725e19ffac1sha256: 901f7c4fdfe5727679315848e3472a0817cb4ad34006b77144ce57a9cf5daecasha512: 225283c181b91f2f327a69d76b1a366a998aaf740b40350682b29e088f0af07fc1f61c7200b1942347e0d22d4071a546bce782b5454eb4b6aac62d90e085220dssdeep: 3072:nQhre+mCW659cU1WhSaTnqj9MqRdL8Y/6vjKMYEo0ht2uId0fGSKjiSfTce6cd7C:lvCa9RhtaSfhXS77TKtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T159249E9819C35336CA7203BB55AF0EAA3B7DD348742FDB4812A52138DF56AB73903467sha3_384: beed485bfa10ec44891f04ad6d675efd108364464cb041939f18d727ac2c3b5110a324264fd21225aa827b8e8f0cc1caep_bytes: ff250020400000000000000000000000timestamp: 2015-08-05 23:53:45

Version Info:

Translation: 0x0000 0x04b0Comments: Assembly created using a Trial Version of CodeWall (www.codewall.net). Redistribution to End Users Not Allowed.FileDescription: FileVersion: 0.0.0.0InternalName: Server.exeLegalCopyright: OriginalFilename: Server.exeProductVersion: 0.0.0.0Assembly Version: 0.0.0.0

MSIL/Packed.CodeWall.A also known as:

Elastic malicious (high confidence)
MicroWorld-eScan Gen:Heur.MSIL.Bladabindi.1
FireEye Generic.mg.29afc4e001d1a952
Cylance Unsafe
Sangfor Suspicious.Win32.Save.a
K7AntiVirus Trojan ( 700000121 )
Alibaba Trojan:MSIL/CodeWall.7bc85b92
K7GW Trojan ( 700000121 )
CrowdStrike win/malicious_confidence_100% (W)
Cyren W32/MSIL_Troj.BGS.gen!Eldorado
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of MSIL/Packed.CodeWall.A
APEX Malicious
Paloalto generic.ml
Kaspersky HEUR:Trojan.MSIL.Tpyn.gen
BitDefender Gen:Heur.MSIL.Bladabindi.1
NANO-Antivirus Trojan.Win32.Crypted.duzhsm
Avast Win32:TrojanX-gen [Trj]
Tencent Win32.Trojan.Crypt.Htcx
Ad-Aware Gen:Heur.MSIL.Bladabindi.1
Sophos Generic ML PUA (PUA)
F-Secure Heuristic.HEUR/AGEN.1208558
BitDefenderTheta Gen:NN.ZemsilF.34606.nm0@amjWGzj
McAfee-GW-Edition BehavesLike.Win32.Generic.dc
Emsisoft Gen:Heur.MSIL.Bladabindi.1 (B)
SentinelOne Static AI – Malicious PE
GData Gen:Heur.MSIL.Bladabindi.1
Avira HEUR/AGEN.1208558
Microsoft Backdoor:Win32/Bladabindi!ml
Cynet Malicious (score: 99)
AhnLab-V3 Malware/Win32.RL_Generic.C3490820
Acronis suspicious
McAfee GenericRXCE-KG!29AFC4E001D1
MAX malware (ai score=100)
Rising Trojan.Generic/MSIL@AI.100 (RDM.MSIL:gAH9ghN4dgyKUtnlavdcMw)
Yandex Trojan.CodeWall!bRVSTWASUQo
Ikarus PUA.MSIL.CodeWall
MaxSecure Trojan.Malware.300983.susgen
AVG Win32:TrojanX-gen [Trj]
Cybereason malicious.001d1a
Panda Trj/CI.A

How to remove MSIL/Packed.CodeWall.A?

  • 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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