Categories: Malware

About “MSIL/Filecoder.AGA” infection

The MSIL/Filecoder.AGA 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/Filecoder.AGA virus can do?

  • Executable code extraction
  • Creates RWX memory
  • A process attempted to delay the analysis task.
  • A process created a hidden window
  • HTTP traffic contains suspicious features which may be indicative of malware related traffic
  • Performs some HTTP requests
  • The binary likely contains encrypted or compressed data.
  • Attempts to modify desktop wallpaper
  • Attempts to repeatedly call a single API many times in order to delay analysis time
  • Installs itself for autorun at Windows startup
  • Checks the version of Bios, possibly for anti-virtualization
  • Checks the CPU name from registry, possibly for anti-virtualization
  • Creates a copy of itself
  • Appends a known CryLocker ransomware file extension to files that have been encrypted
  • Collects information to fingerprint the system

Related domains:

z.whorecord.xyz
a.tomx.xyz
example.com

How to determine MSIL/Filecoder.AGA?


File Info:

crc32: E084A91Amd5: 16cb756a0bfc61f8198b4187cef26c0aname: 16CB756A0BFC61F8198B4187CEF26C0A.mlwsha1: 40e7eee447eaffa7e5f907cfbbd805ac00a6208fsha256: 1023fc7221d854a2c66eae58ed0458470a3182ec45f49f8b26a2342b9265da9asha512: 709f02432c2018eb76570260795895ea9ee5adf82333a10a1c78a91b8c46806e46f2483948eaac27f91e3d67bee321a2893fbfffebae521d845f8ce360d008c3ssdeep: 3072:Jfs0qsDtVjTSAgRngRb2o41qwlh8Fuz+WSMzUrsfyb50E3QBSfUqK1K3ciWT0qq:xsNJRgRIqwwFuqCyd0E3QMfhqK3ciBtype: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

LegalCopyright: xa9 Microsoft Corporation. All rights reserved.InternalName: vs_community.exeFileVersion: 16.11.31624.102CompanyName: Microsoft CorporationProductName: Microsoft Visual Studio CommunityProductVersion: 16.11.31624.102FileDescription: Visual Studio InstallerOriginalFilename: vs_community.exeTranslation: 0x0409 0x04b0

MSIL/Filecoder.AGA also known as:

Elastic malicious (high confidence)
DrWeb Trojan.DownLoader10.41750
CAT-QuickHeal Trojan.YakbeexMSIL.ZZ4
Cylance Unsafe
CrowdStrike win/malicious_confidence_80% (D)
Cyren W32/MSIL_Agent.BIS.gen!Eldorado
ESET-NOD32 a variant of MSIL/Filecoder.AGA
APEX Malicious
Avast Win32:MalwareX-gen [Trj]
Cynet Malicious (score: 100)
Kaspersky HEUR:Trojan-Ransom.Win32.Generic
BitDefender Gen:Heur.Ransom.HiddenTears.1
MicroWorld-eScan Gen:Heur.Ransom.HiddenTears.1
Ad-Aware Gen:Heur.Ransom.HiddenTears.1
BitDefenderTheta Gen:NN.ZemsilF.34142.pm0@aOCmYKni
TrendMicro Ransom.MSIL.NOCRY.SM
McAfee-GW-Edition BehavesLike.Win32.Generic.dc
FireEye Gen:Heur.Ransom.HiddenTears.1
Emsisoft Gen:Heur.Ransom.HiddenTears.1 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.Generic.gucgo
Avira TR/Dropper.Gen
Microsoft Ransom:MSIL/Cryptolocker.DV!MTB
Arcabit Trojan.Ransom.HiddenTears.1
GData Gen:Heur.Ransom.HiddenTears.1
Acronis suspicious
McAfee Ransom-NoCry!16CB756A0BFC
MAX malware (ai score=82)
Malwarebytes Malware.AI.4154580173
Panda Trj/GdSda.A
TrendMicro-HouseCall Ransom.MSIL.NOCRY.SM
Rising Trojan.AntiVM/MSIL!1.D7C2 (CLASSIC)
Ikarus Trojan-Dropper.Win32.Injector
MaxSecure Trojan.Malware.300983.susgen
Fortinet MSIL/Filecoder.TA!tr
AVG Win32:MalwareX-gen [Trj]

How to remove MSIL/Filecoder.AGA?

  • 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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