Worm

Worm:Win32/Nuj.B removal instruction

Malware Removal

The Worm:Win32/Nuj.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.

GridinSoft Anti-Malware

Gridinsoft Anti-Malware

Removing PC viruses manually may take hours and may damage your PC in the process. We recommend using GridinSoft Anti-Malware for virus removal. Allows to complete scan and cure your PC during the trial period.
6-day free trial available.

What Worm:Win32/Nuj.B virus can do?

  • A process attempted to delay the analysis task.
  • Attempts to connect to a dead IP:Port (5 unique times)
  • Reads data out of its own binary image
  • A process created a hidden window
  • Drops a binary and executes it
  • Performs some HTTP requests
  • Uses Windows utilities for basic functionality
  • Deletes its original binary from disk
  • Attempts to repeatedly call a single API many times in order to delay analysis time
  • Installs itself for autorun at Windows startup
  • Attempts to create or modify system certificates
  • Generates some ICMP traffic
  • Anomalous binary characteristics

Related domains:

z.whorecord.xyz
gj.wxb2568.cn
v8.ter.tf
a.tomx.xyz
downapp.baidu.com
www.ipip.net
en.ipip.net
265g.site

How to determine Worm:Win32/Nuj.B?


File Info:

crc32: 0DFE26F6
md5: 7eb1d286a9f4bb37aeb1e59880dd9933
name: z.exe
sha1: 9e6316a5ba9148a0ab1e86abea7d2b040a95e384
sha256: 750aca2704d3b2e1118154d40e8980d23ced9994ad80d8827b7ddf5a0e512237
sha512: 9b32acaa95ea8c48fb86b370629ad51f77324f5bc1a30820995b4a5eba1b14559e356c847056e67bbb8e48569bbd3f16d0233a9fffd7dbdce038874220aef82d
ssdeep: 3072:YR1+aJe1mgawzxsBub861jIHxowh7z82LNK8sWcJ20+Vm13Z1ffnSDLZsrIBYs/b:YRUTV5nA82xK8kJ20+u3Z1fHIWrk
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Worm:Win32/Nuj.B also known as:

BkavW32.AIDetectVM.malware
MicroWorld-eScanDropped:Generic.ServStart.A.098D0665
FireEyeGeneric.mg.7eb1d286a9f4bb37
McAfeeGenericRXBS-XM!7EB1D286A9F4
CylanceUnsafe
VIPRETrojan.Win32.Generic.pak!cobra
SangforMalware
K7AntiVirusTrojan ( 0022de291 )
BitDefenderDropped:Generic.ServStart.A.098D0665
K7GWTrojan ( 0022de291 )
Cybereasonmalicious.6a9f4b
BitDefenderThetaGen:NN.ZexaF.34108.mqZ@aGaHhipi
F-ProtW32/Hupigon.BN.gen!Eldorado
ESET-NOD32a variant of Win32/TrojanDropper.Agent.PIP
ClamAVWin.Trojan.Ag-4254306-1
GDataDropped:Generic.ServStart.A.098D0665
KasperskyTrojan-GameThief.Win32.Magania.uaqr
NANO-AntivirusTrojan.Win32.MLW.imknn
ViRobotBackdoor.Win32.A.Hupigon.2367488.A
TencentTrojan.TenThief.QQPsw.goo
Ad-AwareDropped:Generic.ServStart.A.098D0665
EmsisoftDropped:Generic.ServStart.A.098D0665 (B)
ComodoTrojWare.Win32.Dialer.AFXP@4pjm0a
F-SecureTrojan.TR/Dropper.Gen
DrWebTrojan.DownLoader4.45729
ZillyaTrojan.Magania.Win32.72572
Invinceaheuristic
McAfee-GW-EditionBehavesLike.Win32.Dropper.dc
SentinelOneDFI – Malicious PE
Trapminemalicious.moderate.ml.score
CMCBackdoor.Win32.Hupigon!O
SophosTroj/Zegost-HU
APEXMalicious
CyrenW32/Hupigon.BN.gen!Eldorado
JiangminBackdoor/Banito.sh
AviraTR/Dropper.Gen
Antiy-AVLTrojan[Backdoor]/Win32.Hupigon
Endgamemalicious (high confidence)
ArcabitGeneric.ServStart.A.098D0665
AhnLab-V3Backdoor/Win32.Hupigon.R111918
ZoneAlarmTrojan-GameThief.Win32.Magania.uaqr
MicrosoftWorm:Win32/Nuj.B
VBA32Backdoor.Hupigon
ALYacDropped:Generic.ServStart.A.098D0665
MAXmalware (ai score=87)
RisingBackdoor.Hupigon!8.B57 (RDMK:cmRtazqIqT166i6BKtF/EPUafAIO)
YandexBackdoor.Hupigon!9Y4tB/I3F48
FortinetW32/Hupigon.NQKV!tr
WebrootW32.Backdoor.Hupigon
AVGWin32:Trojan-gen
AvastWin32:Trojan-gen
CrowdStrikewin/malicious_confidence_60% (D)
Qihoo-360Win32/Trojan.GameThief.684

How to remove Worm:Win32/Nuj.B?

Worm:Win32/Nuj.B removal tool
  • 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.

About the author

Paul Valéry

I'm a cyber security analyst and data science expert with 5+ years of experience with security software contractors.

Leave a Comment