Categories: Malware

Troj/Nemty-N malicious file

The Troj/Nemty-N 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 Troj/Nemty-N 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 Troj/Nemty-N?


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]

Troj/Nemty-N also known as:

DrWeb Trojan.Encoder.30832
MicroWorld-eScan Generic.Ransom.Nemty.99A1EB30
CAT-QuickHeal Ransom.Nemty
McAfee Ransom-Nemty!542BAB6A93E8
Cylance Unsafe
VIPRE Trojan.Win32.Generic!BT
Sangfor Malware
CrowdStrike win/malicious_confidence_100% (W)
BitDefender Generic.Ransom.Nemty.99A1EB30
K7GW Trojan ( 00556c621 )
K7AntiVirus Trojan ( 00556c621 )
Arcabit Generic.Ransom.Nemty.99A1EB30
Invincea heuristic
BitDefenderTheta AI:Packer.8D8C4BDE1E
Cyren W32/Ransom.QNYV-5219
Symantec Downloader
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
ViRobot Trojan.Win32.Z.Ransom.94208.AX
Rising Ransom.Nemty!1.BD61 (CLOUD)
Endgame malicious (high confidence)
Emsisoft Generic.Ransom.Nemty.99A1EB30 (B)
Comodo Malware@#24dolnhz8bbp4
F-Secure Trojan.TR/Downloader.Gen
Zillya Trojan.Filecoder.Win32.12172
TrendMicro Ransom.Win32.NEMTY.M
McAfee-GW-Edition BehavesLike.Win32.TrojanShifu.nh
Fortinet W32/Filecoder_Nemty.A!tr
Trapmine malicious.moderate.ml.score
FireEye Generic.mg.542bab6a93e8fbd7
Sophos Troj/Nemty-N
SentinelOne DFI – Malicious PE
Jiangmin Trojan.Zenpak.axc
Webroot W32.Trojan.TR.Downloader
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 Trojan.Ransom.Nemty
Ad-Aware Generic.Ransom.Nemty.99A1EB30
Panda Trj/GdSda.A
TrendMicro-HouseCall Ransom.Win32.NEMTY.M
Tencent Win32.Trojan.Filecoder.Stap
Ikarus Trojan-Ransom.Nemty
GData Generic.Ransom.Nemty.99A1EB30
MaxSecure Trojan.Malware.74773626.susgen
AVG Win32:RansomX-gen [Ransom]
Cybereason malicious.a93e8f
Avast Win32:RansomX-gen [Ransom]
Qihoo-360 Win32/Trojan.0ea

How to remove Troj/Nemty-N?

  • 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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