Malware

Win32/Filecoder.Avaddon.A removal tips

Malware Removal

The Win32/Filecoder.Avaddon.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 Win32/Filecoder.Avaddon.A virus can do?

  • A process attempted to delay the analysis task.
  • Repeatedly searches for a not-found process, may want to run with startbrowser=1 option
  • A process created a hidden window
  • Uses Windows utilities for basic functionality
  • Attempts to delete volume shadow copies
  • Attempts to repeatedly call a single API many times in order to delay analysis time
  • Modifies boot configuration settings
  • Clears Windows events or logs
  • Attempts to disable UAC
  • Attempts to modify UAC prompt behavior
  • Uses suspicious command line tools or Windows utilities

How to determine Win32/Filecoder.Avaddon.A?


File Info:

crc32: D8ED3A3D
md5: bee5c4a96fc720ff06e4272d917a6f0a
name: BEE5C4A96FC720FF06E4272D917A6F0A.mlw
sha1: 0490ccc719b668b80477f19aa946279ff66e7e7f
sha256: ca8ac84f4f50a9d482347b34a1488eee71e1a083083d831ddfacad8b106271bd
sha512: 2dc1231896bab34c5908aaf0636017c087d2109a015a3819867acf89422ee892ab4af072852918124a8515fda25fc73d5e0b0b19275e42dd6711817575af9dc5
ssdeep: 24576:j+Nz/5PcbYV/BQW7NUnY4VJFiVTUFPKRvxmsYy2s6umXQhbbbbpcAm4:jQz/5Pc8pQW7NUnY4VJgV6apms92zAh
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: xa9 Microsoft Corporation. All rights reserved.
InternalName: taskhost.exe
FileVersion: 10.0.17763.831 (WinBuild.160101.0800)
CompanyName: Microsoft Corporation
ProductName: Microsoftxae Windowsxae Operating System
ProductVersion: 10.0.17763.831
FileDescription: Host Process for Windows Tasks
OriginalFilename: taskhost.exe
Translation: 0x0409 0x04b0

Win32/Filecoder.Avaddon.A also known as:

K7AntiVirusTrojan ( 00577dec1 )
Elasticmalicious (high confidence)
CynetMalicious (score: 100)
ALYacGen:Variant.Zusy.307729
SangforTrojan.Win32.Save.a
CrowdStrikewin/malicious_confidence_60% (D)
BitDefenderGen:Variant.Zusy.307729
K7GWTrojan ( 00577dec1 )
Cybereasonmalicious.96fc72
SymantecRansom.Avaddon!g1
ESET-NOD32a variant of Win32/Filecoder.Avaddon.A
APEXMalicious
KasperskyUDS:Trojan.Win32.DelShad.gen
MicroWorld-eScanGen:Variant.Zusy.307729
Ad-AwareGen:Variant.Zusy.307729
SophosMal/Generic-S
BitDefenderThetaGen:NN.ZexaF.34670.dv0@aK1NOSei
TrendMicroRansom.Win32.AVADDON.SMYJAF-A
McAfee-GW-EditionBehavesLike.Win32.BadFile.th
FireEyeGen:Variant.Zusy.307729
EmsisoftGen:Variant.Zusy.307729 (B)
JiangminTrojan.Generic.fnatr
eGambitUnsafe.AI_Score_99%
MicrosoftRansom:Win32/Avaddon.C!MTB
ArcabitTrojan.Zusy.D4B211
GDataGen:Variant.Zusy.307729
AhnLab-V3Malware/Win.Generic.R415461
McAfeeArtemis!BEE5C4A96FC7
MAXmalware (ai score=82)
PandaTrj/Genetic.gen
TrendMicro-HouseCallRansom.Win32.AVADDON.SMYJAF-A
RisingMalware.Heuristic!ET#95% (RDMK:cmRtazrHi6lEz0khearzL/t/OBNp)
IkarusTrojan-Ransom.Avaddon
FortinetW32/Avaddon.C!tr.ransom
Qihoo-360HEUR/QVM20.1.9067.Malware.Gen

How to remove Win32/Filecoder.Avaddon.A?

Win32/Filecoder.Avaddon.A 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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