Categories: Backdoor

Backdoor.Agent.NSM removal instruction

The Backdoor.Agent.NSM 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 Backdoor.Agent.NSM virus can do?

  • Executable code extraction
  • Injection (inter-process)
  • Injection (Process Hollowing)
  • Injection with CreateRemoteThread in a remote process
  • Attempts to connect to a dead IP:Port (2 unique times)
  • Creates RWX memory
  • A process attempted to delay the analysis task.
  • At least one IP Address, Domain, or File Name was found in a crypto call
  • Reads data out of its own binary image
  • A process created a hidden window
  • Uses Windows utilities for basic functionality
  • Attempts to remove evidence of file being downloaded from the Internet
  • Executed a process and injected code into it, probably while unpacking
  • A process was set to shut the system down when terminated
  • Installs itself for autorun at Windows startup
  • Exhibits behavior characteristic of Nanocore RAT
  • Creates a copy of itself
  • Collects information to fingerprint the system

Related domains:

t5estst.ddns.net

How to determine Backdoor.Agent.NSM?


File Info:

crc32: A949957Bmd5: 14fdbf5e916e60c7fb81d9b3da7b1942name: 14FDBF5E916E60C7FB81D9B3DA7B1942.mlwsha1: 865b7245f7848b93e0874855e3c10662ea6f775esha256: 4517b3b57dc11bdd811c88c87be7dda955af5c4103d706e2e39df0866cd1b4bbsha512: 849800d3a5f58ca0a25fd180dacba961a8ff4d509ef150e25600f499a5a88cae20020dafd9e110007d5aa20f008dccc68482458ed59df45fbf6545d4f1ee036assdeep: 24576:6bll68MBO+6ZKZH6O9CbMv6WF3NohIo4gjRg:6Z2BOiZHgCFChI5htype: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0LegalCopyright: @2015Assembly Version: 2.5.1.6InternalName: war.exeFileVersion: 9.1.3.23CompanyName: MicrosoftLegalTrademarks: Microsoft (TM)Comments: Microsoft CoprotionProductName: MicrosoftProductVersion: 9.1.3.23FileDescription: MicrosoftOriginalFilename: war.exe

Backdoor.Agent.NSM also known as:

K7AntiVirus Trojan ( 700000121 )
Elastic malicious (high confidence)
DrWeb Trojan.Siggen6.29118
Cynet Malicious (score: 100)
CAT-QuickHeal Worm.Rebhip.20156
McAfee GenericRXAD-VW!14FDBF5E916E
Cylance Unsafe
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (W)
Alibaba TrojanPSW:MSIL/Azorult.18848ba6
K7GW Trojan ( 700000121 )
Cybereason malicious.e916e6
Cyren W32/Trojan.RCCY-0370
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of MSIL/TrojanDropper.Agent.EDP
Zoner Trojan.Win32.48671
APEX Malicious
Avast Win32:Malware-gen
ClamAV Win.Trojan.Agent-1302135
Kaspersky HEUR:Trojan-PSW.MSIL.Azorult.gen
BitDefender Gen:Variant.Johnnie.2339
NANO-Antivirus Trojan.Win32.Razy.hikrwa
SUPERAntiSpyware Trojan.Agent/Gen-MSFake[Less]
MicroWorld-eScan Gen:Variant.Johnnie.2339
Ad-Aware Gen:Variant.Johnnie.2339
Sophos ML/PE-A
BitDefenderTheta Gen:NN.ZemsilF.34738.2q3@aaSwH3d
VIPRE Trojan.Win32.Generic!BT
TrendMicro TROJ_GEN.R002C0PFD21
McAfee-GW-Edition BehavesLike.Win32.Generic.ch
FireEye Generic.mg.14fdbf5e916e60c7
Emsisoft Gen:Variant.Johnnie.2339 (B)
SentinelOne Static AI – Malicious PE
Avira HEUR/AGEN.1125935
eGambit Unsafe.AI_Score_100%
Antiy-AVL Trojan/Generic.ASMalwS.E008E5
Microsoft Backdoor:Win32/Bladabindi!ml
Arcabit Trojan.Johnnie.D923
AegisLab Trojan.MSIL.Azorult.i!c
GData Gen:Variant.Johnnie.2339
AhnLab-V3 Trojan/Win32.Injector.R159938
VBA32 Backdoor.DarkKomet
MAX malware (ai score=82)
Malwarebytes Backdoor.Agent.NSM
Panda Trj/Genetic.gen
TrendMicro-HouseCall TROJ_GEN.R002C0PFD21
Rising Trojan.Generic@ML.99 (RDML:rCFs7w4Eo8acF8dgsrg2Dw)
Yandex Trojan.Injector!Z6iFt//4TdQ
Ikarus Trojan.MSIL.Injector
Fortinet MSIL/Injector.HJH!tr
AVG Win32:Malware-gen
Paloalto generic.ml

How to remove Backdoor.Agent.NSM?

  • 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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