Categories: Malware

What is “Win32/StartPage.OSZ”?

The Win32/StartPage.OSZ 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

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 Win32/StartPage.OSZ virus can do?

  • SetUnhandledExceptionFilter detected (possible anti-debug)
  • Yara rule detections observed from a process memory dump/dropped files/CAPE
  • Creates RWX memory
  • Reads data out of its own binary image
  • CAPE extracted potentially suspicious content
  • Authenticode signature is invalid
  • Behavioural detection: Injection (Process Hollowing)
  • Executed a process and injected code into it, probably while unpacking
  • Behavioural detection: Injection (inter-process)
  • Created a process from a suspicious location
  • Anomalous binary characteristics

How to determine Win32/StartPage.OSZ?


File Info:

name: 512374CB4A63B98AE0B3.mlwpath: /opt/CAPEv2/storage/binaries/5b4611554ccbe489c2a4c5ed7f5b0fe55ccc4de58e6c37a23ae23e08bd0f3188crc32: 45D11733md5: 512374cb4a63b98ae0b33990445abdc3sha1: c147e845e4681293851672f014f570aa661f13b7sha256: 5b4611554ccbe489c2a4c5ed7f5b0fe55ccc4de58e6c37a23ae23e08bd0f3188sha512: d9a468a701af473292cabfeb0aa88f737f16b6fc276da5be3cc6493d1fe0ca3037a048608c128c70b9ec1bdf16eea2888ec3fff11ff1b53036eafd5dda31f8d5ssdeep: 6144:RaY1+wRHoGaiuKlPyeS+3n3IcRtzEEQxMM6uufrCeth:UgLRIGaiuRB+33ltox/6u8jtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T12084E02172C2C0B7C117253489759BB64E7AFC710B2658CBB7DA2B7A4F742D18A38397sha3_384: d8c8f3665ef9155016a777075ab84e94ee76707ab00b55d7e3fb8de433a5e95abd8f155fd62f8e7a6ddaffa8cc9aad66ep_bytes: e880600000e995feffff3b0df4174200timestamp: 2013-07-25 00:55:44

Version Info:

Translation: 0x0000 0x04b0Comments: TXtYPVsuXvCompanyName: IuiQBkknoRFileDescription: TtlMnzbsXsFileVersion: 2.7.0.1InternalName: temp.exeLegalCopyright: ycfgwuTmMlLegalTrademarks: fZRHkxjtkcOriginalFilename: temp.exeProductName: VPddZVSntCProductVersion: 2.7.0.1Assembly Version: 0.0.0.0

Win32/StartPage.OSZ also known as:

Bkav W32.AIDetect.malware2
Elastic malicious (high confidence)
MicroWorld-eScan Gen:Heur.ManBat.1
FireEye Generic.mg.512374cb4a63b98a
CAT-QuickHeal TrojanPWS.Zbot.Gen
ALYac Gen:Heur.ManBat.1
Cylance Unsafe
Zillya Trojan.Injector.Win32.203627
Sangfor Trojan.Win32.AGEN.1009539
K7AntiVirus Trojan ( 0040f5d71 )
Alibaba TrojanPSW:Win32/StartPage.c6db6da3
K7GW Trojan ( 0056fd421 )
Cybereason malicious.b4a63b
VirIT Trojan.Win32.MulDrop4.DEAG
Cyren W32/Agent.XH.gen!Eldorado
Symantec Trojan.Zbot!gen43
ESET-NOD32 Win32/StartPage.OSZ
APEX Malicious
Paloalto generic.ml
ClamAV Win.Trojan.Zbot-7189211-1
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Gen:Heur.ManBat.1
NANO-Antivirus Trojan.Win32.Drop.cybgxx
Avast Win32:Zeus-E [Trj]
Tencent Malware.Win32.Gencirc.10b8710b
Ad-Aware Gen:Heur.ManBat.1
Emsisoft Gen:Heur.ManBat.1 (B)
Comodo TrojWare.Win32.Injector.AKOD@50jtvf
DrWeb Trojan.MulDrop4.55438
VIPRE Trojan.Win32.Servlice.a (v)
TrendMicro TROJ_SPNR.11H113
McAfee-GW-Edition PWS-Zbot-FASF!512374CB4A63
Sophos Mal/Generic-R + Troj/Zbot-FTS
SentinelOne Static AI – Malicious PE
GData Gen:Heur.ManBat.1
Jiangmin Trojan/Generic.aytfu
Webroot W32.Malware.Gen
Avira HEUR/AGEN.1210221
Antiy-AVL Trojan/Generic.ASMalwS.367F68
Kingsoft Win32.Troj.Undef.(kcloud)
ZoneAlarm HEUR:Trojan.Win32.Generic
Microsoft PWS:Win32/Zbot
Cynet Malicious (score: 100)
AhnLab-V3 Trojan/Win32.Zbot.R77279
McAfee PWS-Zbot-FASF!512374CB4A63
MAX malware (ai score=100)
VBA32 TrojanSpy.Zbot
TrendMicro-HouseCall TROJ_SPNR.11H113
Rising Trojan.Injector!8.C4 (CLOUD)
Yandex Trojan.GenAsa!QP44qSZSLks
MaxSecure Trojan.Malware.7164915.susgen
Fortinet W32/Injector.AJAR!tr
BitDefenderTheta Gen:NN.ZexaF.34212.xu3@aKPCdPbi
AVG Win32:Zeus-E [Trj]
Panda Trj/Zbot.M
CrowdStrike win/malicious_confidence_60% (D)

How to remove Win32/StartPage.OSZ?

  • 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.

Recent Posts

MSIL/GenKryptik.GXIZ information

The MSIL/GenKryptik.GXIZ is considered dangerous by lots of security experts. When this infection is active,…

2 months ago

Malware.AI.2789448175 (file analysis)

The Malware.AI.2789448175 is considered dangerous by lots of security experts. When this infection is active,…

2 months ago

Jalapeno.1878 removal instruction

The Jalapeno.1878 is considered dangerous by lots of security experts. When this infection is active,…

2 months ago

What is “Trojan.Heur3.LPT.YmKfaKBcBekib”?

The Trojan.Heur3.LPT.YmKfaKBcBekib is considered dangerous by lots of security experts. When this infection is active,…

2 months ago

How to remove “Worm.Win32.Vobfus.exmt”?

The Worm.Win32.Vobfus.exmt is considered dangerous by lots of security experts. When this infection is active,…

2 months ago

About “TrojanDownloader:Win32/Beebone.JO” infection

The TrojanDownloader:Win32/Beebone.JO is considered dangerous by lots of security experts. When this infection is active,…

2 months ago