Malware

Should I remove “Win32/Nuwar.K”?

Malware Removal

The Win32/Nuwar.K 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.
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What Win32/Nuwar.K virus can do?

  • The binary contains an unknown PE section name indicative of packing
  • The binary likely contains encrypted or compressed data.
  • The executable is compressed using UPX
  • Authenticode signature is invalid
  • Yara rule detections observed from a process memory dump/dropped files/CAPE

How to determine Win32/Nuwar.K?


File Info:

name: B9216FE9C55EB8B4A6CD.mlw
path: /opt/CAPEv2/storage/binaries/1154aa1d0952216aec9f9e121bbc24dac7700169c7f8e25a46c1f9a0c09b05e5
crc32: 09FC0391
md5: b9216fe9c55eb8b4a6cd8eb65746ec35
sha1: 3d66acd9674fc438db5e0804236d19541323de01
sha256: 1154aa1d0952216aec9f9e121bbc24dac7700169c7f8e25a46c1f9a0c09b05e5
sha512: b978b215f3414c4d4a464aeae9bcb9f104df4c56be902dcb7c0d3eab6f9a5334278595fd53e7868a2e7925e816df193c863f551de56dfde3171fb57cf664043b
ssdeep: 96:ZSsrcsv1lnaVC8vdA8erXVSBbOAKFWo68/mjLCUcbSIvtlMZ0:wicqraVC8vdHeroyZ62mLCRWElMZ0
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T155D1188E5D54FDF3E587C230188D60F2D71922167A925C114DF54B7FA4AA12BAD3A823
sha3_384: df605763b9121bb7f3728f9507de26ac6795614463c08076531095856a2deef9985330e5ec1eb6711df698485dd7d341
ep_bytes: e803000000cd05f85a81c2e6e4feff81
timestamp: 2006-10-25 14:14:48

Version Info:

0: [No Data]

Win32/Nuwar.K also known as:

BkavW32.AIDetectMalware
Elasticmalicious (moderate confidence)
DrWebTrojan.Spambot
MicroWorld-eScanTrojan.Peed.Gen
ClamAVWin.Downloader.321-1
FireEyeGeneric.mg.b9216fe9c55eb8b4
CAT-QuickHealTrojan.Generic
SkyhighBehavesLike.Win32.Generic.xc
ZillyaDownloader.Small.Win32.103730
SangforSuspicious.Win32.Save.a
K7AntiVirusTrojan ( 004bcce41 )
AlibabaTrojanDownloader:Win32/Vxidl.bf907117
K7GWTrojan ( 004bcce41 )
CrowdStrikewin/malicious_confidence_100% (D)
ArcabitTrojan.Peed.Gen
BitDefenderThetaAI:Packer.4E9CC19D20
SymantecTrojan.Packed.8
ESET-NOD32Win32/Nuwar.K
APEXMalicious
CynetMalicious (score: 100)
KasperskyTrojan-Downloader.Win32.Small.dam
BitDefenderTrojan.Peed.Gen
NANO-AntivirusVirus.Win32.Gen-Crypt.ccnc
AvastWin32:Small-EEX [Trj]
EmsisoftTrojan.Peed.Gen (B)
F-SecureTrojan.TR/Dldr.Tibs.JY.B
VIPRETrojan.Peed.Gen
TrendMicroTROJ_MULP.D
Trapminemalicious.moderate.ml.score
SophosMal/EncPk-D
IkarusTrojan-Downloader.Win32.Small
JiangminI-Worm/Small.o
GoogleDetected
AviraTR/Dldr.Tibs.JY.B
Antiy-AVLTrojan[Backdoor]/Win32.Nuwar
KingsoftWin32.Troj.Undef.a
XcitiumTrojWare.Win32.TrojanDownloader.Small.AB@14c60r
MicrosoftTrojan:Win32/Vxidl.gen!B
ZoneAlarmTrojan-Downloader.Win32.Small.dam
GDataTrojan.Peed.Gen
VaristW32/Downloader.AWEY
AhnLab-V3Win32/Glowa.worm.Gen
McAfeeTibs-Packed.y
MAXmalware (ai score=100)
VBA32Trojan-Downloader.Revelation.Tibs.B
Cylanceunsafe
PandaTrj/Genetic.gen
TrendMicro-HouseCallTROJ_MULP.D
RisingTrojan.DL.Small.rov (CLASSIC)
SentinelOneStatic AI – Suspicious PE
MaxSecureTrojan.Malware.964778.susgen
FortinetW32/Tibs.gen
AVGWin32:Small-EEX [Trj]
DeepInstinctMALICIOUS

How to remove Win32/Nuwar.K?

Win32/Nuwar.K 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.

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