Categories: Malware

Win32/Delf.NRF removal guide

The Win32/Delf.NRF 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/Delf.NRF virus can do?

  • The binary contains an unknown PE section name indicative of packing
  • The binary likely contains encrypted or compressed data.
  • Executable file is packed/obfuscated with MPRESS
  • Authenticode signature is invalid
  • Installs itself for autorun at Windows startup
  • Likely virus infection of existing system binary
  • Anomalous binary characteristics

How to determine Win32/Delf.NRF?


File Info:

name: F87627B3520EF4317692.mlwpath: /opt/CAPEv2/storage/binaries/b320d36c6514f92475b8d09029aa33753f787022d993e4477b14036a2359b537crc32: A5AEC6BFmd5: f87627b3520ef43176926b9f355f70d2sha1: aba62441eabe6a53391c4abc7312a44d21ae7d6fsha256: b320d36c6514f92475b8d09029aa33753f787022d993e4477b14036a2359b537sha512: 808e581407a98318ec3be902f9782282cfb09c0c2d0e4ae3366075b4b92afe4ece9fd013523d2368821da00b49d75e5fff8030e5b59ad20cd729d81f798e213dssdeep: 196608:rZCIzmcbEi9pR6cPIjZ1B4QouKtJZjNxnFClZtCyEjm7PogH7jNoNPA:NmeR/6cQ15cLfnaZtdEyToA7j0Atype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1BFB6330C369D9DBCC03E51386057868FE86935A03346AA2EEEF5D5D3862B4FC0D446FAsha3_384: d8e69cfd887be864406da0302713f0a35aabd4df6528abd4f0f91a47af184e0f26a47e8daa814cf276261a354450e827ep_bytes: 60e80000000058055a0b00008b3003f0timestamp: 1992-06-19 22:22:17

Version Info:

0: [No Data]

Win32/Delf.NRF also known as:

Bkav W32.AIDetect.malware2
MicroWorld-eScan GenPack:Trojan.Agent.DQQD
FireEye Generic.mg.f87627b3520ef431
McAfee GenericRXAA-AA!F87627B3520E
Cylance Unsafe
Zillya Backdoor.Wabot.Win32.2310
Sangfor Trojan.Win32.Save.a
K7AntiVirus Trojan ( 0052964f1 )
BitDefender GenPack:Trojan.Agent.DQQD
K7GW Trojan ( 0052964f1 )
CrowdStrike win/malicious_confidence_60% (D)
BitDefenderTheta AI:Packer.FB60C6DA1D
Cyren W32/Trojan.GPL.gen!Eldorado
Symantec W32.Wabot
ESET-NOD32 a variant of Win32/Delf.NRF
Baidu Win32.Backdoor.Wabot.a
APEX Malicious
Avast Win32:Zbot-LV [Trj]
ClamAV Win.Trojan.Wabot-7053120-0
Kaspersky Backdoor.Win32.Wabot.a
Rising Worm.Chilly!1.661C (CLASSIC)
Ad-Aware GenPack:Trojan.Agent.DQQD
Sophos ML/PE-A
Comodo Backdoor.Win32.Wabot.A@4knk5y
DrWeb Trojan.MulDrop6.64369
VIPRE BehavesLike.Win32.Malware.ssc (mx-v)
TrendMicro Backdoor.Win32.WABOT.SMD
McAfee-GW-Edition BehavesLike.Win32.Backdoor.vc
Emsisoft GenPack:Trojan.Agent.DQQD (B)
SentinelOne Static AI – Malicious PE
Jiangmin Worm.Generic.gbw
Avira TR/Dropper.Gen
Antiy-AVL Trojan/Generic.ASBOL.C66A
Microsoft Backdoor:Win32/Wabot.A
GData Win32.Trojan.PSE.MIA95L
Cynet Malicious (score: 100)
AhnLab-V3 Backdoor/Win.Wabot.R431896
Acronis suspicious
VBA32 Backdoor.Wabot
ALYac GenPack:Trojan.Agent.DQQD
Malwarebytes Backdoor.Wabot
TrendMicro-HouseCall Backdoor.Win32.WABOT.SMD
Tencent Trojan.Win32.Wabot.a
Yandex Backdoor.Wabot!9XOZJESPPLY
MAX malware (ai score=84)
Fortinet W32/Delf.NRF!tr
AVG Win32:Zbot-LV [Trj]
Cybereason malicious.3520ef

How to remove Win32/Delf.NRF?

  • 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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