Categories: Trojan

What is “Trojan:Win32/Ninunarch.I”?

The Trojan:Win32/Ninunarch.I 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 Trojan:Win32/Ninunarch.I virus can do?

  • Behavioural detection: Executable code extraction – unpacking
  • Reads data out of its own binary image
  • CAPE extracted potentially suspicious content
  • Unconventionial language used in binary resources: Russian
  • The binary contains an unknown PE section name indicative of packing
  • The binary likely contains encrypted or compressed data.
  • Authenticode signature is invalid
  • Checks for the presence of known windows from debuggers and forensic tools
  • Checks the version of Bios, possibly for anti-virtualization
  • Detected Armadillo packer using a known mutex
  • Attempts to interact with an Alternate Data Stream (ADS)
  • Collects information to fingerprint the system
  • Yara detections observed in process dumps, payloads or dropped files

How to determine Trojan:Win32/Ninunarch.I?


File Info:

name: 9A73B24A43ADCD5934BF.mlwpath: /opt/CAPEv2/storage/binaries/714795e00fe8d93d9272cfb378fec84b87a0b8b8bd77f5a5258fd17dca677343crc32: 031FAB9Bmd5: 9a73b24a43adcd5934bfaed327bd7addsha1: 27d3d129311b785948235274132c30833796ae06sha256: 714795e00fe8d93d9272cfb378fec84b87a0b8b8bd77f5a5258fd17dca677343sha512: 399889a6ef557573dcc89166a1d8cee16abdc19582388cb64e6beda6b8881a075e8593d01d8e84f72d4e5d9a3c3dd0d133d6657d99fba5f83a862c0d3975226essdeep: 24576:T4gobZuNX83VB3VPTrlFC8Cp1GPmm4j8OmzT1Gm2kNRlR02TZR05sN:ApBlPTm8+sNk8JTsmHRNFuaNtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1BB4512513958D4B7C0A14C3D8E57CAF64287BE65AEB34663B0CCFB1E7B3A2970C16291sha3_384: 20ccb11108e40ab10f7dbf20f6f8ff705fa22f4d9e3847bd26ce475ac31ef61ebd8dc71daef3388ed69b50e29499cfb3ep_bytes: 60e8000000005d50510fcaf7d29cf7d2timestamp: 2011-01-27 11:26:39

Version Info:

0: [No Data]

Trojan:Win32/Ninunarch.I also known as:

Bkav W32.Common.98258394
Lionic Trojan.Win32.Fraud.4!c
Elastic malicious (high confidence)
MicroWorld-eScan Gen:Variant.Zusy.431435
FireEye Gen:Variant.Zusy.431435
Skyhigh BehavesLike.Win32.Injector.tc
McAfee SMSFraud.n
Malwarebytes Trojan.FakeSMS
Zillya Trojan.ArchSMS.Win32.2810
Sangfor Trojan.Win32.Zusy.Vrh6
Alibaba Trojan:Win32/Ninunarch.11587571
CrowdStrike win/malicious_confidence_70% (W)
VirIT Trojan.Win32.ArchSMS.NLBM
Symantec Trojan.Gen.MBT
ESET-NOD32 a variant of Win32/Hoax.ArchSMS.GC
TrendMicro-HouseCall Trojan.Win32.ARCHSMS.USBLC424
BitDefender Gen:Variant.Zusy.431435
NANO-Antivirus Trojan.Win32.SMSSend.ikrpu
Avast Win32:Malware-gen
Sophos Mal/Generic-S
F-Secure Trojan.TR/Fraud.Gen2
DrWeb Trojan.SMSSend.310
VIPRE Gen:Variant.Zusy.431435
TrendMicro Trojan.Win32.ARCHSMS.USBLC424
Trapmine malicious.high.ml.score
Emsisoft Gen:Variant.Zusy.431435 (B)
SentinelOne Static AI – Suspicious PE
Webroot W32.Smssend.Gen
Google Detected
Avira TR/Fraud.Gen2
Varist W32/S-9a5f2e30!Eldorado
Kingsoft Win32.HeurC.KVMH008.a
Microsoft Trojan:Win32/Ninunarch.I
Xcitium Malware@#380r07m3e29n1
Arcabit Trojan.Zusy.D6954B
GData Gen:Variant.Zusy.431435
BitDefenderTheta Gen:NN.ZexaF.36802.kHW@ayw7YCgk
ALYac Gen:Variant.Zusy.431435
MAX malware (ai score=99)
VBA32 Trojan.SMSSend
Cylance unsafe
Panda Generic Malware
Rising Trojan.Ninunarch!8.530 (CLOUD)
Yandex Backdoor.Agent!82g7fKOmZ+k
Ikarus Trojan.Fraud
Fortinet W32/SMSFraud.N!tr
AVG Win32:Malware-gen
Cybereason malicious.a43adc
DeepInstinct MALICIOUS

How to remove Trojan:Win32/Ninunarch.I?

  • 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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