Categories: Backdoor

Backdoor:Win32/Netsnake.D (file analysis)

The Backdoor:Win32/Netsnake.D 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:Win32/Netsnake.D virus can do?

  • Attempts to connect to a dead IP:Port (1 unique times)
  • Repeatedly searches for a not-found process, may want to run with startbrowser=1 option
  • Reads data out of its own binary image
  • Drops a binary and executes it
  • Unconventionial language used in binary resources: Chinese (Simplified)
  • Installs itself for autorun at Windows startup
  • Creates a copy of itself
  • Harvests information related to installed mail clients
  • Connects to an IRC server, possibly part of a botnet

Related domains:

365i.51.net
pop.163.com

How to determine Backdoor:Win32/Netsnake.D?


File Info:

crc32: 954293ABmd5: a730f2752700f694c87cede7bf383e1fname: A730F2752700F694C87CEDE7BF383E1F.mlwsha1: 7a232f580a4277b8d5782bd717124e96d7cfb9edsha256: bda60f4bd056b59d9b009bc36193b9254ec98d9d879a3ee6a8c86dae7c311519sha512: be3b44bc13038eb351ac8e6b5153a2e0eb4453ac52e5710ed6e838587b87f14dd0cb03162b4f9a5f57e7fa432b211c851290ca755fa07085a3cdc5fa47e8408bssdeep: 1536:UtfDrxy3PKoSpcU2r78L1v1GMOG5Ht6tt6igHtp+T1OvxN3VFPh:Utfhy3ccVud1Xt8tzItp+IxRV/type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright (C) Microsoft Corp. 1993-1998InternalName: iexploreFileVersion: 6.00.2600CompanyName: Microsoft CorporationPrivateBuild: LegalTrademarks: Comments: WIN32 Network Interface Service ProcessProductName: Microsoft(R) WindowsSpecialBuild: ProductVersion: 5.00.2920.0000FileDescription: Internet ExplorerOriginalFilename: IEXPLORE.EXETranslation: 0x0409 0x04b0

Backdoor:Win32/Netsnake.D also known as:

K7AntiVirus Riskware ( 0040eff71 )
Lionic Trojan.Win32.Netsnake.m!c
DrWeb BackDoor.PowerSpider
ClamAV Win.Trojan.Netsnake-6
ALYac Trojan.Generic.7552262
Zillya Backdoor.Netsnake.Win32.50
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_70% (D)
BitDefender Trojan.Generic.7552262
K7GW Riskware ( 0040eff71 )
Cybereason malicious.52700f
Cyren W32/Backdoor.FUPH-5735
Symantec Backdoor.Powerspider.B
ESET-NOD32 Win32/Netsnake.D
Paloalto generic.ml
Cynet Malicious (score: 100)
Kaspersky Backdoor.Win32.Netsnake.d
Alibaba Backdoor:Win32/Netsnake.22e33e89
NANO-Antivirus Trojan.Win32.Netsnake.fknp
ViRobot Backdoor.Win32.A.Netsnake.163840
MicroWorld-eScan Trojan.Generic.7552262
Tencent Malware.Win32.Gencirc.11b40b8c
Ad-Aware Trojan.Generic.7552262
Sophos Troj/Bdoor-AKM
Comodo Backdoor.Win32.Netsnake.D@2b9y
BitDefenderTheta Gen:NN.ZexaF.34050.kq2@aGQMkXij
VIPRE Trojan.Win32.Generic.pak!cobra
TrendMicro BKDR_NETSNAKE.D
McAfee-GW-Edition W32/Qeds.a
FireEye Generic.mg.a730f2752700f694
Emsisoft Trojan.Generic.7552262 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan/PwdBox.c
Avira BDC/PowerSpider.D
eGambit Unsafe.AI_Score_98%
Antiy-AVL Trojan/Generic.ASMalwS.3E182
Kingsoft Win32.Troj.Generic_a.a.(kcloud)
Microsoft Backdoor:Win32/Netsnake.D
ZoneAlarm Backdoor.Win32.Netsnake.d
GData Trojan.Generic.7552262 (2x)
TACHYON Backdoor/W32.Netsnake.167936
AhnLab-V3 Trojan/Win32.Netsnake.R130422
VBA32 Backdoor.Netsnake
MAX malware (ai score=100)
TrendMicro-HouseCall BKDR_NETSNAKE.D
Rising Trojan.PSW.Minisnake (CLASSIC)
Yandex Trojan.GenAsa!yGzwa19zMq4
Ikarus Backdoor.Win32.Netsnake
Fortinet W32/Netsnake.D!tr.bdr
Panda Trj/Genetic.gen
Qihoo-360 Win32/Ransom.Snake.HykCEpsA

How to remove Backdoor:Win32/Netsnake.D?

  • 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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