Categories: Trojan

Trojan.Win32.StartPage (file analysis)

The Trojan.Win32.StartPage 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.StartPage virus can do?

  • Executable code extraction
  • Creates RWX memory
  • A process attempted to delay the analysis task.
  • Reads data out of its own binary image
  • Attempts to modify Internet Explorer’s start page
  • Unconventionial binary language: Chinese (Simplified)
  • Unconventionial language used in binary resources: Chinese (Simplified)
  • The binary likely contains encrypted or compressed data.
  • Tries to unhook or modify Windows functions monitored by Cuckoo
  • Network activity detected but not expressed in API logs

How to determine Trojan.Win32.StartPage?


File Info:

crc32: 5778B747md5: 91e743a4dad6193ca9fb9696f3e0afb6name: 91E743A4DAD6193CA9FB9696F3E0AFB6.mlwsha1: 4864c6a172d80034008476194f8583df0268f44fsha256: 58376abfda958ae6a720f4342675f0983f808e749a9eaeae7749e58205d41135sha512: 10be94f88ed657664555b82a029ef9919fb2438e5c81fa5a86dfa2dd8e4963bb8a9f322baa4e65e3d41d7e9352c4f9eb04ff83c282060f0ea45713b5f24700e6ssdeep: 49152:oIsBHvGf2kfKXbduZXIsQbqf2g2LkMgQh6LWDajQwA9Aen2NqwR:fsBPBkfwduZXItqf2g2ldkjQwA9AcTwtype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: x4f5cx8005x7248x6743x6240x6709 x8bf7x5c0ax91cdx5e76x4f7fx7528x6b63x7248FileVersion: 1.0.0.0Comments: x672cx7a0bx5e8fx4f7fx7528x6613x8bedx8a00x7f16x5199(http://www.eyuyan.com)ProductName: x6613x8bedx8a00x7a0bx5e8fProductVersion: 1.0.0.0FileDescription: x6613x8bedx8a00x7a0bx5e8fTranslation: 0x0804 0x04b0

Trojan.Win32.StartPage also known as:

Bkav W32.AIDetect.malware2
K7AntiVirus Trojan ( 005246d51 )
Elastic malicious (high confidence)
Cynet Malicious (score: 100)
ALYac Gen:Trojan.StartPage.@z0baCwGntnb
Cylance Unsafe
CrowdStrike win/malicious_confidence_90% (W)
BitDefender Gen:Trojan.StartPage.@z0baCwGntnb
K7GW Trojan ( 005246d51 )
Cybereason malicious.4dad61
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/Packed.FlyStudio.AA potentially unwanted
APEX Malicious
ClamAV Win.Malware.Vjadtre-6840658-0
Kaspersky HEUR:Trojan.Win32.StartPage
MicroWorld-eScan Gen:Trojan.StartPage.@z0baCwGntnb
Ad-Aware Gen:Trojan.StartPage.@z0baCwGntnb
Sophos Mal/Generic-S
BitDefenderTheta Gen:NN.ZexaF.34770.@z0baCwGntnb
McAfee-GW-Edition BehavesLike.Win32.Generic.tc
FireEye Generic.mg.91e743a4dad6193c
Emsisoft Gen:Trojan.StartPage.@z0baCwGntnb (B)
SentinelOne Static AI – Suspicious PE
eGambit Unsafe.AI_Score_100%
Antiy-AVL Trojan/Generic.ASCommon.FA
Microsoft Program:Win32/Wacapew.C!ml
Arcabit Trojan.StartPage.ED4EE7
GData Win32.Trojan.PSE.19Q2126
AhnLab-V3 Trojan/Win.Generic.C4537564
McAfee Artemis!91E743A4DAD6
MAX malware (ai score=84)
VBA32 BScope.Adware.Agent
Malwarebytes PUP.Optional.ChinAd
TrendMicro-HouseCall TROJ_GEN.R005H09FR21
Rising Malware.Heuristic!ET#95% (RDMK:cmRtazpQMPK2j3QRvpNjJSVPXqRX)
MaxSecure Dropper.Dinwod.frindll
Fortinet Riskware/StartPage
Qihoo-360 Win32/Trojan.Generic.HgIASXUA

How to remove Trojan.Win32.StartPage?

  • 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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