Categories: Malware

Win32/Filecoder.Nemty.A malicious file

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

  • Creates RWX memory
  • A process attempted to delay the analysis task.
  • Attempts to execute a powershell command with suspicious parameter/s
  • A process created a hidden window
  • Executed a very long command line or script command which may be indicative of chained commands or obfuscation
  • A scripting utility was executed
  • Uses Windows utilities for basic functionality
  • Attempts to delete volume shadow copies
  • Modifies boot configuration settings
  • Network activity contains more than one unique useragent.
  • Writes a potential ransom message to disk
  • Clears Windows events or logs
  • Attempts to interact with an Alternate Data Stream (ADS)
  • Uses suspicious command line tools or Windows utilities

Related domains:

www.myexternalip.com
nemty10.hk

How to determine Win32/Filecoder.Nemty.A?


File Info:

crc32: D86D9507md5: 542bab6a93e8fbd7141975db19a59853name: jap.exesha1: c9d91bee8d4ef05234395a403e4d48868dc0615asha256: 8ee3fcde25866ac62159f0ff3ac1482f3d25de140ec434adbbd5d44396832781sha512: 9b3b43b3306a12b21c1a532896cb63011cdfcd9294f1927a6a539fbedfafc3063be000f4718c66910a6460de1174f160799f02441f57cde9ff567ffcbb2f336bssdeep: 1536:RStOoo6j+5UTeLNSTQjn0WLg4xI1kXcteRYVUgQxSOrjpBrO:RKHp+5UiZSqzguRcs4UgQxSOPLrOtype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/Filecoder.Nemty.A also known as:

MicroWorld-eScan Gen:Heur.Ransom.Imps.1
McAfee Ransom-Nemty!542BAB6A93E8
Cylance Unsafe
VIPRE Trojan.Win32.Generic!BT
Sangfor Malware
K7AntiVirus Trojan ( 00556c621 )
BitDefender Gen:Heur.Ransom.Imps.1
K7GW Trojan ( 00556c621 )
Cybereason malicious.a93e8f
Arcabit Trojan.Ransom.Imps.1
Invincea heuristic
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/Filecoder.Nemty.A
APEX Malicious
Paloalto generic.ml
Kaspersky HEUR:Trojan.Win32.Zenpak.vho
Alibaba Ransom:Win32/Genasom.ali1000102
NANO-Antivirus Trojan.Win32.Encoder.gxsssr
Tencent Win32.Trojan.Filecoder.Stap
Endgame malicious (high confidence)
Emsisoft Gen:Heur.Ransom.Imps.1 (B)
F-Secure Trojan.TR/Downloader.Gen
DrWeb Trojan.Encoder.30832
Zillya Trojan.Filecoder.Win32.12172
McAfee-GW-Edition BehavesLike.Win32.PWSOnlineGames.nh
Fortinet W32/Filecoder_Nemty.A!tr
Trapmine malicious.moderate.ml.score
FireEye Generic.mg.542bab6a93e8fbd7
Jiangmin Trojan.Zenpak.axc
Avira TR/Downloader.Gen
MAX malware (ai score=82)
Microsoft Ransom:Win32/Nemty.D
ZoneAlarm HEUR:Trojan.Win32.Zenpak.vho
AhnLab-V3 Trojan/Win32.Nemty.C3974898
Acronis suspicious
VBA32 BScope.Trojan.Encoder
ALYac Gen:Heur.Ransom.Imps.1
Ad-Aware Gen:Heur.Ransom.Imps.1
Panda Trj/GdSda.A
Rising Ransom.Nemty!1.BD61 (CLASSIC)
SentinelOne DFI – Malicious PE
GData Gen:Heur.Ransom.Imps.1
BitDefenderTheta AI:Packer.8D8C4BDE1E
AVG Win32:RansomX-gen [Ransom]
Avast Win32:RansomX-gen [Ransom]
CrowdStrike win/malicious_confidence_90% (W)
MaxSecure Trojan.Malware.74773626.susgen

How to remove Win32/Filecoder.Nemty.A?

  • 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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