Categories: Trojan

About “Trojan.ChinAd” infection

The Trojan.ChinAd 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.ChinAd virus can do?

  • Executable code extraction
  • Creates RWX memory
  • Reads data out of its own binary image
  • Drops a binary and executes it
  • Unconventionial binary language: Chinese (Simplified)
  • Unconventionial language used in binary resources: Chinese (Simplified)
  • Uses Windows utilities for basic functionality
  • Tries to suspend Cuckoo threads to prevent logging of malicious activity
  • Tries to unhook or modify Windows functions monitored by Cuckoo
  • Installs itself for autorun at Windows startup
  • Anomalous binary characteristics

Related domains:

fget-career.com
bing.com
yahoo.com
www.qq5.com

How to determine Trojan.ChinAd?


File Info:

crc32: 8AAC6FD5md5: 5fa9cefc2fe76ae139f3f24b67f27967name: majiangpinpan.exesha1: f2116803a0826ec1538f177cd3bf002a5925dee5sha256: 55910940427d57a740f2d4808aa7541ed67411ad7ee84d687bcc48a3ff2432f7sha512: f4ae2bcb2e45f557ad3bf46be73e885f89d42251c5bceef5c31c4b29af0d0e677ce24a6457cef9e88f1bff4719535268ef79d51d1ae039cbdfb1a185aba000d8ssdeep: 196608:OoOqUVFkdHPdKFdI1SiZDuwrKIN/eLz3557gVwlXc3R:OoODVIvdK8tF/eekz3X7hlMhtype: PE32 executable (GUI) Intel 80386, for MS Windows, InstallShield self-extracting archive

Version Info:

LegalCopyright: (C)ProductName: FileVersion: FileDescription: Producer shdTranslation: 0x0804 0x04e4

Trojan.ChinAd also known as:

DrWeb Adware.Searcher.1222
MicroWorld-eScan Dropped:Trojan.Zbot.IVF
FireEye Dropped:Trojan.Zbot.IVF
CAT-QuickHeal W32.Ramnit.A
Qihoo-360 Win32/Virus.IM.0e1
Cylance Unsafe
Zillya Dropper.Agent.Win32.409511
K7AntiVirus Trojan ( 0050b64b1 )
BitDefender Dropped:Trojan.Zbot.IVF
K7GW Trojan ( 0050b64b1 )
Cybereason malicious.c2fe76
TrendMicro PE_RAMNIT.H
BitDefenderTheta AI:FileInfector.EAEEA7850C
F-Prot W32/Ramnit.B!Generic
APEX Malicious
Paloalto generic.ml
ClamAV Win.Trojan.Ramnit-1847
GData Dropped:Trojan.Zbot.IVF
Kaspersky Virus.Win32.Nimnul.a
Alibaba Virus:Win32/Nimnul.927048a8
NANO-Antivirus Virus.Win32.Ramnit.eslalb
AegisLab Virus.Win32.Nimnul.n!c
Rising Virus.Ramnit!1.9AA5 (CLASSIC:bWQ1Or0F/riCWxXc3ZEA1HjwThc)
Ad-Aware Dropped:Trojan.Zbot.IVF
Emsisoft Adware.Dropper (A)
Comodo Malware@#3qz6vol2ebvso
F-Secure Malware.W32/Ramnit.CD
Baidu Multi.Threats.InArchive
Invincea heuristic
McAfee-GW-Edition BehavesLike.Win32.Virus.vc
Trapmine malicious.moderate.ml.score
Sophos W32/Patched-I
Ikarus Virus.Ramnit
Cyren W32/Ramnit.B!Generic
Jiangmin Win32/PatchFile.et
Webroot W32.Malware.Heur
Avira W32/Ramnit.CD
MAX malware (ai score=100)
Endgame malicious (high confidence)
Arcabit Trojan.Zbot.IVF
ZoneAlarm Virus.Win32.Nimnul.a
Microsoft Virus:Win32/Ramnit.A
VBA32 Virus.Win32.Nimnul.a
ALYac Dropped:Trojan.Zbot.IVF
Malwarebytes Trojan.ChinAd
Panda Generic Suspicious
Zoner Trojan.Win32.Ramnit.23698
ESET-NOD32 a variant of NSIS/TrojanDropper.Agent.BT
TrendMicro-HouseCall PE_RAMNIT.H
Tencent Win32.Virus.Nimnul.Tafp
AVG Win32:RmnDrp
Avast Win32:RmnDrp
CrowdStrike win/malicious_confidence_60% (W)
MaxSecure Virus.Nimnul.A

How to remove Trojan.ChinAd?

  • 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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