Categories: Malware

About “Win32/Agent.NFN” infection

The Win32/Agent.NFN 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/Agent.NFN virus can do?

  • Executable code extraction
  • Attempts to connect to a dead IP:Port (1 unique times)
  • Creates RWX memory
  • HTTP traffic contains suspicious features which may be indicative of malware related traffic
  • Performs some HTTP requests
  • Unconventionial binary language: Chinese (Simplified)
  • Unconventionial language used in binary resources: Chinese (Simplified)
  • Network activity contains more than one unique useragent.
  • Attempts to modify proxy settings
  • Anomalous binary characteristics

Related domains:

hi.baidu.com
infoflow.baidu.com
ocsp.globalsign.com
crl.globalsign.com
ocsp2.globalsign.com
www.cailele.com

How to determine Win32/Agent.NFN?


File Info:

crc32: 3F9ADAEDmd5: fc2fb270aa6ee83428ab0aca8d136b21name: FC2FB270AA6EE83428AB0ACA8D136B21.mlwsha1: d1500dfd4d45e63ffaf1d3d1938add7ed7585759sha256: 1db663ca0bc93878913d740d8e868837705fe116a431cfc3074620bd8ba4fe3fsha512: e387afcbf0dba6532485c6eb7cd7f0148c7c4e40d66328262d9f15f9ded9de9f80a9888925aec154f4bdf23c37de0cb0b49ee4d109d702de422765011d591e67ssdeep: 12288:2nFLeDF1Mu5KS5sCOB8ZHpLM0J65ALum6LZC6/NGG3kuWGch:2nHjhpBqHtM0aALL6LF/NGG3UGctype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: x6b64x5de5x5177x4ec5x4f9bx5b66x4e60x4ea4x6d41x4f7fx7528xff0cx7248x6743x6240x6709x6743x5f52x4f5cx8005FileVersion: 1.2.1.0CompanyName: YMANComments: x91cdx5e86x65f6x65f6x5f69x540ex4e09x53d1x5e95x5de5x5177ProductName: x91cdx5e86x65f6x65f6x5f69x540ex4e09x53d1x5e95x5de5x5177ProductVersion: 1.2.1.0FileDescription: x91cdx5e86x65f6x65f6x5f69x540ex4e09x53d1x5e95x5de5x5177Translation: 0x0804 0x04b0

Win32/Agent.NFN also known as:

Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 005246d51 )
Elastic malicious (high confidence)
DrWeb Win32.HLLP.Siggen.54
Cynet Malicious (score: 100)
ALYac Gen:Variant.Barys.62759
Cylance Unsafe
Alibaba Exploit:Win32/ShellCode.dec07c1c
K7GW Trojan ( 005246d51 )
Cybereason malicious.0aa6ee
Cyren W32/S-8ec4247d!Eldorado
Symantec ML.Attribute.HighConfidence
ESET-NOD32 Win32/Agent.NFN
APEX Malicious
Avast Win32:Malware-gen
Kaspersky HEUR:Trojan.Win32.Bingoml.gen
BitDefender Gen:Variant.Barys.62759
NANO-Antivirus Trojan.Win32.Dwn.dtdllh
MicroWorld-eScan Gen:Variant.Barys.62759
Ad-Aware Gen:Variant.Barys.62759
Sophos Troj/Patched-BS
Comodo TrojWare.Win32.Bitrep.IW@7mfe0x
BitDefenderTheta Gen:NN.ZexaF.34266.b90@ammqZVmb
McAfee-GW-Edition BehavesLike.Win32.MultiDropper.tm
FireEye Generic.mg.fc2fb270aa6ee834
Emsisoft Gen:Variant.Barys.62759 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Exploit.ShellCode.cjv
Avira TR/Patched.Gen
Antiy-AVL Trojan/Generic.ASBOL.C5A4
Microsoft Trojan:Win32/Occamy.C
GData Win32.Trojan.PSE.19Q2126
Acronis suspicious
McAfee Packed-FAQ!FC2FB270AA6E
MAX malware (ai score=98)
VBA32 Trojan.Zpevdo
Malwarebytes Trojan.MalPack.FlyStudio
Panda Trj/GdSda.A
Rising Trojan.Patch!1.B0CF (CLASSIC)
Fortinet W32/Patched.IW!tr
AVG Win32:Malware-gen
Paloalto generic.ml

How to remove Win32/Agent.NFN?

  • 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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