Malware

About “MSIL/Filecoder.AGA” infection

Malware Removal

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: E084A91A
md5: 16cb756a0bfc61f8198b4187cef26c0a
name: 16CB756A0BFC61F8198B4187CEF26C0A.mlw
sha1: 40e7eee447eaffa7e5f907cfbbd805ac00a6208f
sha256: 1023fc7221d854a2c66eae58ed0458470a3182ec45f49f8b26a2342b9265da9a
sha512: 709f02432c2018eb76570260795895ea9ee5adf82333a10a1c78a91b8c46806e46f2483948eaac27f91e3d67bee321a2893fbfffebae521d845f8ce360d008c3
ssdeep: 3072:Jfs0qsDtVjTSAgRngRb2o41qwlh8Fuz+WSMzUrsfyb50E3QBSfUqK1K3ciWT0qq:xsNJRgRIqwwFuqCyd0E3QMfhqK3ciB
type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

LegalCopyright: xa9 Microsoft Corporation. All rights reserved.
InternalName: vs_community.exe
FileVersion: 16.11.31624.102
CompanyName: Microsoft Corporation
ProductName: Microsoft Visual Studio Community
ProductVersion: 16.11.31624.102
FileDescription: Visual Studio Installer
OriginalFilename: vs_community.exe
Translation: 0x0409 0x04b0

MSIL/Filecoder.AGA also known as:

Elasticmalicious (high confidence)
DrWebTrojan.DownLoader10.41750
CAT-QuickHealTrojan.YakbeexMSIL.ZZ4
CylanceUnsafe
CrowdStrikewin/malicious_confidence_80% (D)
CyrenW32/MSIL_Agent.BIS.gen!Eldorado
ESET-NOD32a variant of MSIL/Filecoder.AGA
APEXMalicious
AvastWin32:MalwareX-gen [Trj]
CynetMalicious (score: 100)
KasperskyHEUR:Trojan-Ransom.Win32.Generic
BitDefenderGen:Heur.Ransom.HiddenTears.1
MicroWorld-eScanGen:Heur.Ransom.HiddenTears.1
Ad-AwareGen:Heur.Ransom.HiddenTears.1
BitDefenderThetaGen:NN.ZemsilF.34142.pm0@aOCmYKni
TrendMicroRansom.MSIL.NOCRY.SM
McAfee-GW-EditionBehavesLike.Win32.Generic.dc
FireEyeGen:Heur.Ransom.HiddenTears.1
EmsisoftGen:Heur.Ransom.HiddenTears.1 (B)
SentinelOneStatic AI – Malicious PE
JiangminTrojan.Generic.gucgo
AviraTR/Dropper.Gen
MicrosoftRansom:MSIL/Cryptolocker.DV!MTB
ArcabitTrojan.Ransom.HiddenTears.1
GDataGen:Heur.Ransom.HiddenTears.1
Acronissuspicious
McAfeeRansom-NoCry!16CB756A0BFC
MAXmalware (ai score=82)
MalwarebytesMalware.AI.4154580173
PandaTrj/GdSda.A
TrendMicro-HouseCallRansom.MSIL.NOCRY.SM
RisingTrojan.AntiVM/MSIL!1.D7C2 (CLASSIC)
IkarusTrojan-Dropper.Win32.Injector
MaxSecureTrojan.Malware.300983.susgen
FortinetMSIL/Filecoder.TA!tr
AVGWin32:MalwareX-gen [Trj]

How to remove MSIL/Filecoder.AGA?

MSIL/Filecoder.AGA removal tool
  • 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.

About the author

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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