Categories: Trojan

About “Trojan.StartPage.3oMfamLD3Fcb” infection

The Trojan.StartPage.3oMfamLD3Fcb 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.StartPage.3oMfamLD3Fcb virus can do?

  • SetUnhandledExceptionFilter detected (possible anti-debug)
  • Yara rule detections observed from a process memory dump/dropped files/CAPE
  • Anomalous file deletion behavior detected (10+)
  • Dynamic (imported) function loading detected
  • Performs HTTP requests potentially not found in PCAP.
  • Reads data out of its own binary image
  • Attempts to modify Internet Explorer’s start page
  • Drops a binary and executes it
  • Unconventionial binary language: Chinese (Simplified)
  • Unconventionial language used in binary resources: Chinese (Simplified)
  • 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
  • A scripting utility was executed
  • Uses Windows utilities for basic functionality
  • Uses Windows utilities for basic functionality
  • Deletes its original binary from disk
  • Behavioural detection: Transacted Hollowing
  • Created a process from a suspicious location
  • Installs itself for autorun at Windows startup
  • Creates a hidden or system file
  • Attempts to modify proxy settings
  • Uses suspicious command line tools or Windows utilities

How to determine Trojan.StartPage.3oMfamLD3Fcb?


File Info:

name: B4917BED642FA7E0FAE5.mlwpath: /opt/CAPEv2/storage/binaries/3f674dec044e641755c8a63910290a0023a3179d8e8ae901877cd06e4748151bcrc32: B0AE1F2Amd5: b4917bed642fa7e0fae5ddd7c797723csha1: 62555468fa7ad4d339b98f90b874e75e70c15565sha256: 3f674dec044e641755c8a63910290a0023a3179d8e8ae901877cd06e4748151bsha512: cb7c9f18a21d03cfb05119cc48be0a083e5be4d9d7a3b6e19b70b44be605ae0918c8b111a3e2fdc7ca4ddc1935f85f3c75eaa4818383b9e9ea4279d74ecdfe44ssdeep: 49152:kuSAGf9Sb8NVfX2ycbgOgfINUZZWj7qHQc9WB0ngRZad2LfzLKZ8riDvhcTaZQOr:NS3l5/fX2ycbgOgASvwqwc9WB0ngRQdvtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1B9D5338A0A877859E4D64D30A33EF8E11A0B710345B274754D1BC9D6C8B2AD7F3CA7A7sha3_384: 4f6551e65862ec5a74fe78dfad648ee3e6077fb7eed98e9a73c16a1f9ebd244d44c7db25e3c24bd02222dedd3f1f7192ep_bytes: 60be001052008dbe0000eeff5783cdfftimestamp: 2022-01-07 01:45:40

Version Info:

FileVersion: 10.18.1.0FileDescription: MySkin LOLProductName: MySkinProductVersion: 10.18.1.0CompanyName: skyLegalCopyright: sky的版权所有Comments: MySkin LOLTranslation: 0x0804 0x04b0

Trojan.StartPage.3oMfamLD3Fcb also known as:

Bkav W32.AIDetect.malware2
Elastic malicious (high confidence)
MicroWorld-eScan Gen:Trojan.StartPage.3oMfamLD3Fcb
FireEye Generic.mg.b4917bed642fa7e0
CAT-QuickHeal Trojan.GenericRI.S25624699
McAfee GenericRXAA-AA!B4917BED642F
Cylance Unsafe
Zillya Adware.Agent.Win32.171203
Sangfor Trojan.Win32.Save.a
K7AntiVirus Adware ( 005071f51 )
K7GW Adware ( 005071f51 )
BitDefenderTheta Gen:NN.ZexaF.34182.3oMfamLD3Fcb
Cyren W32/Trojan.CLL.gen!Eldorado
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/Packed.FlyStudio.AA potentially unwanted
ClamAV Win.Malware.Bulz-9889678-0
Kaspersky not-a-virus:AdWare.Win32.Agent.gen
BitDefender Gen:Trojan.StartPage.3oMfamLD3Fcb
Avast Script:SNH-gen [Trj]
Tencent Malware.Win32.Gencirc.10cfdbf3
Ad-Aware Gen:Trojan.StartPage.3oMfamLD3Fcb
Emsisoft Gen:Trojan.StartPage.3oMfamLD3Fcb (B)
Comodo Packed.Win32.MUPX.Gen@24tbus
DrWeb Trojan.StartPage1.60617
McAfee-GW-Edition BehavesLike.Win32.Generic.vc
Sophos Mal/Agent-AVP
APEX Malicious
Jiangmin Trojan.Script.auat
Avira TR/Spy.Gen3
MAX malware (ai score=87)
Antiy-AVL Trojan/Generic.ASCommon.FA
Microsoft Trojan:Script/Phonzy.C!ml
GData Win32.Trojan.PSE.5LSHNI
Cynet Malicious (score: 100)
AhnLab-V3 Malware/Win.Generic.R444729
Acronis suspicious
ALYac Gen:Trojan.StartPage.3oMfamLD3Fcb
VBA32 Adware.Agent
Malwarebytes Malware.AI.701711558
Rising Trojan.Convagent!8.12323 (RDMK:cmRtazpFyhI6Z6dlVDyA0n29LqAD)
Yandex PUA.Agent!zpDXXIAQUWE
SentinelOne Static AI – Malicious PE
Fortinet W32/CoinMiner.65CA!tr
AVG Script:SNH-gen [Trj]
Cybereason malicious.d642fa
Panda Trj/Genetic.gen

How to remove Trojan.StartPage.3oMfamLD3Fcb?

  • 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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