Categories: Malware

Win32/Small.NPF malicious file

The Win32/Small.NPF 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 Win32/Small.NPF virus can do?

Sample contains Overlay data
Unconventionial language used in binary resources: Arabic (Qatar)
The binary contains an unknown PE section name indicative of packing
Authenticode signature is invalid
Anomalous binary characteristics

How to determine Win32/Small.NPF?


File Info:
name: 62937D46111AE2D06324.mlwpath: /opt/CAPEv2/storage/binaries/52779ffd275220c0a8c0bcd9dea354846404ac06949b13db78ab92e1605135adcrc32: 6D79A51Bmd5: 62937d46111ae2d06324f2e95a33de57sha1: 6770cf96fd1ab8dca8f39797c8d9513a7a3330ffsha256: 52779ffd275220c0a8c0bcd9dea354846404ac06949b13db78ab92e1605135adsha512: 21ff5e2ddd87da7efdb80a9d4eaeb5d27f6a9351e49955bee4c45af64b703c9f1761fbcd431aa5b2d613cec186a58c69fc4833a00969caf5e898811b55711294ssdeep: 1536:N5rnVmg+tFj/bcN57G7d3Dvzj4LKD2GsfvH3NdYA8vUi5L0jBBd:N5rVmg+tdW7Gx3HkLUI9dSUi5LqBbtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T18CA36C127A90C0B2C0562D304856DBB19B7EF5321B79D587BBA40B7EDF352C19A3728Bsha3_384: 9f59ec64a782ac8abd38e42853c0b7733d5ce7fed0ed6085c35fb9509a58ec8738b294072efcdd3bfb9801276f2fd390ep_bytes: e87c6d0000e979feffffcccccccccccctimestamp: 2015-08-13 11:41:33
Version Info:
CompanyName: Microsoft © WindowsFileDescription: Spooler ApplicationFileVersion: 16, 95, 2156, 456InternalName: spoolerLegalCopyright: Microsoft Windows © 2013OriginalFilename: splsrv.exeProductName: Spooler ApplicationProductVersion: 16, 195, 2356, 476Translation: 0x4009 0x04b0

Win32/Small.NPF also known as:

Bkav	W32.AIDetectMalware
Lionic	Trojan.Multi.Generic.mBLK
Elastic	malicious (high confidence)
MicroWorld-eScan	Trojan.Agent.BLXP
ClamAV	Win.Trojan.Agent-6827379-0
FireEye	Generic.mg.62937d46111ae2d0
ALYac	Trojan.Agent.BLXP
Malwarebytes	Small.Trojan.Agent.DDS
VIPRE	Trojan.Agent.BLXP
Sangfor	Trojan.Win32.Save.a
K7AntiVirus	Trojan ( 005a3ac21 )
Alibaba	Trojan:Win32/Spaeshill.f4314da6
K7GW	Riskware ( 0040eff71 )
Cybereason	malicious.6111ae
VirIT	Trojan.Win32.DownLoader15.CXFM
Cyren	W32/Agent.FSI.gen!Eldorado
Symantec	ML.Attribute.HighConfidence
ESET-NOD32	a variant of Win32/Small.NPF
APEX	Malicious
Cynet	Malicious (score: 99)
Kaspersky	UDS:Trojan.Win32.Johnnie
BitDefender	Trojan.Agent.BLXP
Emsisoft	Trojan.Agent.BLXP (B)
F-Secure	Heuristic.HEUR/AGEN.1303379
DrWeb	Trojan.DownLoader15.50842
Zillya	Trojan.Small.Win32.94671
TrendMicro	TROJ_GEN.R002C0DE723
Trapmine	suspicious.low.ml.score
Sophos	Mal/Generic-R
GData	Trojan.Agent.BLXP
Jiangmin	Trojan/Agentb.bqj
Avira	HEUR/AGEN.1303379
MAX	malware (ai score=100)
Arcabit	Trojan.Agent.BLXP
ZoneAlarm	UDS:Trojan.Win32.Johnnie
Microsoft	Trojan:Win32/Spaeshill
Google	Detected
AhnLab-V3	Trojan/Win.Spaeshill.C5395408
BitDefenderTheta	Gen:NN.ZexaF.36250.gy1@aq!2Ehai
VBA32	Trojan.Downloader
Cylance	unsafe
Panda	Trj/Genetic.gen
TrendMicro-HouseCall	TROJ_GEN.R002C0DE723
Tencent	Trojan-Dropper.Win32.Dapato.hc
Yandex	Trojan.GenAsa!LCR9Zd2YZSU
Ikarus	Trojan.Win32.Small
Fortinet	W32/Small.NPF!tr
DeepInstinct	MALICIOUS
CrowdStrike	win/malicious_confidence_100% (W)