Categories: Virus

Virus.Win32.Nimnul.b removal instruction

The Virus.Win32.Nimnul.b 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 Virus.Win32.Nimnul.b virus can do?

  • Executable code extraction
  • Injection with CreateRemoteThread in a remote process
  • Creates RWX memory
  • A process attempted to delay the analysis task.
  • Attempts to connect to a dead IP:Port (8 unique times)
  • At least one IP Address, Domain, or File Name was found in a crypto call
  • A named pipe was used for inter-process communication
  • Starts servers listening on 0.0.0.0:2018, 0.0.0.0:21
  • Expresses interest in specific running processes
  • Reads data out of its own binary image
  • Drops a binary and executes it
  • Unconventionial language used in binary resources: Chinese (Simplified)
  • The binary likely contains encrypted or compressed data.
  • Uses Windows utilities for basic functionality
  • Tries to suspend Cuckoo threads to prevent logging of malicious activity
  • Code injection with CreateRemoteThread in a remote process
  • Tries to unhook or modify Windows functions monitored by Cuckoo
  • Attempts to repeatedly call a single API many times in order to delay analysis time
  • Installs itself for autorun at Windows startup
  • Creates a hidden or system file
  • Attempts to modify proxy settings
  • Attempts to create or modify system certificates
  • Anomalous binary characteristics

Related domains:

supnewdmn.com
cli.im
tvrstrynyvwstrtve.com
rtvwerjyuver.com
wqerveybrstyhcerveantbe.com
bing.com
qr.api.cli.im

How to determine Virus.Win32.Nimnul.b?


File Info:

crc32: 4603269Emd5: 7ab671ca3998695f478869cb4edb45aaname: abuiabblgaagn_pa2guo7_nj1qisha1: b7c1c0a96de9be019e50ec1b65280d5863b8c3e0sha256: c09cf08d2a9580c4f7fbf7bf52ef25e2f2f80368cc6a9ffd67b4e7b393775bffsha512: dabcd347a7146cdff41db4dbb57ad740181096728fea56e590b9b642b666da7a22c7ac7a54df0ab967dddd9d06fddc29b4054f68a02b6b9069f2377968e1f849ssdeep: 98304:Q7Kb6q1Qc7/uzw4BBxTYRfKPQDB+kSjj/ibf39C:dIc7WzZBzPPmB+Djltype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Virus.Win32.Nimnul.b also known as:

Bkav W32.Tmgrtext.PE
MicroWorld-eScan Win32.Ramnit.N
CMC Virus.Win32.Ramit.1!O
CAT-QuickHeal W32.Ramnit.BA
ALYac Win32.Ramnit.N
Cylance Unsafe
Zillya Virus.Nimnul.Win32.1
AegisLab Virus.Win32.Nimnul.lse3
Sangfor Malware
K7AntiVirus Virus ( 002fe95d1 )
BitDefender Win32.Ramnit.N
Cybereason malicious.a39986
TrendMicro PE_RAMNIT.DEN
Baidu Win32.Virus.Nimnul.a
F-Prot W32/Ramnit.B!Generic
Symantec W32.Ramnit.B!inf
TotalDefense Win32/Ramnit.C
APEX Malicious
Avast Win32:RmnDrp
ClamAV Win.Trojan.Ramnit-1847
GData Win32.Virus.Nimnul.A
Kaspersky Virus.Win32.Nimnul.a
Alibaba Virus:Win32/Ramnit.20382653
NANO-Antivirus Virus.Win32.Nimnul.bqjjnb
ViRobot Win32.Nimnul.A
Tencent Virus.Win32.Nimnul.f
Endgame malicious (high confidence)
Sophos W32/Ramnit-A
Comodo Virus.Win32.Ramnit.K@37eb7u
F-Secure Malware.W32/Ramnit.C
DrWeb Win32.Rmnet.8
VIPRE Virus.Win32.Ramnit.b (v)
Invincea heuristic
McAfee-GW-Edition BehavesLike.Win32.Ramnit.rc
Trapmine malicious.high.ml.score
FireEye Generic.mg.7ab671ca3998695f
Emsisoft Win32.Ramnit.N (B)
Ikarus Virus.Win32.Ramnit
Cyren W32/Ramnit.B!Generic
Jiangmin Win32/IRCNite.wi
Webroot W32.Ramnit.Gen
Avira W32/Ramnit.C
eGambit HackTool.Generic
MAX malware (ai score=100)
Antiy-AVL Virus/Win32.Nimnul.a
Kingsoft Win32.Ramnit.lx.30720
Microsoft Virus:Win32/Ramnit.J
Arcabit Win32.Ramnit.N
ZoneAlarm Virus.Win32.Nimnul.a
AhnLab-V3 Win32/Ramnit.G
Acronis suspicious
McAfee W32/Ramnit.a
TACHYON Virus/W32.Ramnit
VBA32 Virus.Win32.Nimnul.b
Panda W32/Cosmu.E
Zoner Trojan.Win32.Ramnit.22016
ESET-NOD32 Win32/Ramnit.H
TrendMicro-HouseCall PE_RAMNIT.DEN
Rising Virus.Mgr!1.9AD0 (CLOUD)
Yandex Win32.Nimnul.Gen.2
SentinelOne DFI – Malicious PE
MaxSecure Virus.Nimnul.A
Fortinet W32/Ramnit.A
Ad-Aware Win32.Ramnit.N
AVG Win32:RmnDrp
Paloalto generic.ml
CrowdStrike win/malicious_confidence_100% (W)
Qihoo-360 Virus.Win32.Ramnit.A

How to remove Virus.Win32.Nimnul.b?

  • 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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