Categories: Ransom

Should I remove “Ransom:Win32/Avaddon!rfn”?

The Ransom:Win32/Avaddon!rfn 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 Ransom:Win32/Avaddon!rfn virus can do?

  • Attempts to connect to a dead IP:Port (1 unique times)
  • 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
  • Creates an autorun.inf file
  • 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
  • Installs itself for autorun at Windows startup
  • Exhibits possible ransomware file modification behavior
  • Writes a potential ransom message to disk
  • Creates a hidden or system file
  • Clears Windows events or logs
  • Creates a copy of itself
  • Attempts to disable UAC
  • Attempts to modify UAC prompt behavior
  • Uses suspicious command line tools or Windows utilities

How to determine Ransom:Win32/Avaddon!rfn?


File Info:

crc32: 51161153md5: 06b2f26fc2bda87928180b7b11b4f89bname: 06B2F26FC2BDA87928180B7B11B4F89B.mlwsha1: 96664f6c40cbbdb60ff98c1a1b8ff58cc8dd6854sha256: 2e9b7cc95a762bac1bbf78d474cdfccc9ece1ece86b48f02ac17956345483e7esha512: 6254a9dcaeb38b08cf79cfabf8475f04541ca9d00e4f3147d3f886606f6a6d31691fe7364a14eecdf62b9cf36998bb879f0a3c84be696e5a4c214d4e890339eassdeep: 12288:TPp2REkZ8Y4eJV02qv7iIFdMl8Vqy3nxkAMRydDaODzsDn7uo8DeBxSo39JWs:TPIZeYxqv7iIFdMl8VqSxORydmianrbtype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: xa9 Microsoft Corporation. All rights reserved.InternalName: taskhost.exeFileVersion: 10.0.17763.831 (WinBuild.160101.0800)CompanyName: Microsoft CorporationProductName: Microsoftxae Windowsxae Operating SystemProductVersion: 10.0.17763.831FileDescription: Host Process for Windows TasksOriginalFilename: taskhost.exeTranslation: 0x0409 0x04b0

Ransom:Win32/Avaddon!rfn also known as:

Elastic malicious (high confidence)
MicroWorld-eScan Gen:Variant.Ransom.Avaddon.3
FireEye Gen:Variant.Ransom.Avaddon.3
Qihoo-360 Win32/Ransom.Generic.HgIASOkA
McAfee GenericRXAA-AA!06B2F26FC2BD
Cylance Unsafe
VIPRE Trojan.Win32.Generic!BT
Sangfor Trojan.Win32.Save.a
K7AntiVirus Trojan ( 0056e22f1 )
BitDefender Gen:Variant.Ransom.Avaddon.3
K7GW Trojan ( 0056e22f1 )
Cybereason malicious.fc2bda
BitDefenderTheta Gen:NN.ZexaF.34590.Uu0@aeyIkihi
Cyren W32/Ransom.WFUG-8312
Symantec Ransom.Avaddon
APEX Malicious
Avast Win32:RansomX-gen [Ransom]
Kaspersky HEUR:Trojan.Win32.DelShad.gen
Alibaba Ransom:Win32/generic.ali2000010
NANO-Antivirus Trojan.Win32.DelShad.iepkqf
Rising Ransom.Avaddon!1.C7A8 (CLOUD)
Ad-Aware Gen:Variant.Ransom.Avaddon.3
Sophos Mal/Generic-S
F-Secure Trojan.TR/AD.RansomHeur.dhghz
DrWeb Trojan.DownLoader36.19650
Zillya Trojan.Filecoder.Win32.17015
TrendMicro Ransom.Win32.AVADDON.SMTHA
McAfee-GW-Edition BehavesLike.Win32.PUPXDO.bh
Emsisoft Gen:Variant.Ransom.Avaddon.3 (B)
SentinelOne Static AI – Suspicious PE
GData Gen:Variant.Ransom.Avaddon.3
Jiangmin Trojan.DelShad.avg
Avira TR/AD.RansomHeur.dhghz
MAX malware (ai score=86)
Antiy-AVL Trojan/Win32.DelShad
Arcabit Trojan.Ransom.Avaddon.3
ZoneAlarm HEUR:Trojan.Win32.DelShad.gen
Microsoft Ransom:Win32/Avaddon!rfn
Cynet Malicious (score: 100)
AhnLab-V3 Malware/Win32.Ransom.C4247459
ALYac Trojan.Ransom.Avaddon
Malwarebytes Ransom.Avaddon
Panda Trj/GdSda.A
ESET-NOD32 a variant of Win32/Filecoder.Avaddon.C
TrendMicro-HouseCall Ransom.Win32.AVADDON.SMTHA
Tencent Malware.Win32.Gencirc.10ce2824
Yandex Trojan.DelShad!SL5ysrFzXeQ
Ikarus Trojan-Ransom.Avaddon
eGambit Unsafe.AI_Score_100%
Fortinet W32/Avaddon.C!tr.ransom
AVG Win32:RansomX-gen [Ransom]
Paloalto generic.ml
CrowdStrike win/malicious_confidence_100% (W)
MaxSecure Trojan.Malware.74279478.susgen

How to remove Ransom:Win32/Avaddon!rfn?

  • 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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