Categories: Trojan

Win32/TrojanDownloader.Agent.CHD removal

The Win32/TrojanDownloader.Agent.CHD 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/TrojanDownloader.Agent.CHD virus can do?

  • Executable code extraction
  • Attempts to connect to a dead IP:Port (2 unique times)
  • Creates RWX memory
  • A process attempted to delay the analysis task.
  • Repeatedly searches for a not-found process, may want to run with startbrowser=1 option
  • HTTP traffic contains suspicious features which may be indicative of malware related traffic
  • Performs some HTTP requests
  • The binary likely contains encrypted or compressed data.
  • The executable is compressed using UPX
  • Network activity contains more than one unique useragent.
  • Attempts to modify proxy settings

Related domains:

z.whorecord.xyz
a.tomx.xyz
user.qzone.qq.com
ocsp.dcocsp.cn
i.qq.com
ocsp.digicert.cn

How to determine Win32/TrojanDownloader.Agent.CHD?


File Info:

crc32: 3B74B261md5: 6c77c76454570716846ba6815034ba10name: 6C77C76454570716846BA6815034BA10.mlwsha1: 6d561bb28aad02ebd31563af498d763a529900dfsha256: 7e2d72b0a1edfdcbff3274250989bebcfae867c42f1417057c8a5adc4c2daf58sha512: 17016ab3db181947a0b6610cd93b7ed49286099f55589cecdae4372183a1b0c88d2bb4ff44ddfcf6c981f68406767fe9a6694019c4d43a66315ea81fedfa5112ssdeep: 768:KYVNd+RLgdC85OhXarCuthQazw5zwTCunEQWf0oE6jxdCjq/awSpW+Nzsj8EZMu:XVNoRKCWOhXicluEPrHI4+KZqi5Ktype: PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed

Version Info:

LegalCopyright: Copyright (C) 2002InternalName: FTPServerFileVersion: 1, 0, 0, 8CompanyName: Pablo Software SolutionsPrivateBuild: Version 1.08LegalTrademarks: Comments: Programmed by PabloProductName: FTPServer ApplicationSpecialBuild: ProductVersion: 1, 0, 0, 8FileDescription: FTPServer MFC ApplicationOriginalFilename: FTPServer.EXETranslation: 0x0409 0x04b0

Win32/TrojanDownloader.Agent.CHD also known as:

Bkav W32.AIDetect.malware2
K7AntiVirus Trojan-Downloader ( 0055e3da1 )
DrWeb BackDoor.Spy.2978
Cynet Malicious (score: 99)
Cylance Unsafe
Zillya Downloader.Agent.Win32.311750
K7GW Trojan-Downloader ( 0055e3da1 )
Cybereason malicious.454570
Baidu Win32.Trojan-Downloader.Agent.bh
Cyren W32/Trojan.IM1.gen!Eldorado
ESET-NOD32 a variant of Win32/TrojanDownloader.Agent.CHD
APEX Malicious
Avast Win32:Malware-gen
ClamAV Win.Downloader.Zegost-6484584-1
Kaspersky HEUR:Backdoor.Win32.Generic
BitDefender Trojan.Cud.Gen.1
NANO-Antivirus Trojan.Win32.AD.dvpspc
MicroWorld-eScan Trojan.Cud.Gen.1
Ad-Aware Trojan.Cud.Gen.1
Sophos Generic ML PUA (PUA)
VIPRE Trojan-Downloader.Win32.Zegost.al (v)
TrendMicro BKDR_ZEGOST.SM22
McAfee-GW-Edition Trojan-FJYJ!0159CAD8C8FE
FireEye Trojan.Cud.Gen.1
Emsisoft Trojan.Cud.Gen.1 (B)
Jiangmin Backdoor.Generic.afio
Avira TR/Taranis.2302
Antiy-AVL Trojan/Generic.ASMalwS.13903D6
Microsoft Trojan:Win32/Wacatac.B!ml
Arcabit Trojan.Cud.Gen.1
GData Trojan.Cud.Gen.1
McAfee Trojan-FJYJ!0159CAD8C8FE
MAX malware (ai score=80)
VBA32 BScope.Backdoor.Agent
TrendMicro-HouseCall BKDR_ZEGOST.SM22
Yandex Trojan.GenAsa!tNjW2qB+pcY
Ikarus Trojan-Downloader.Win32.Agent
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/Agent.AVF!tr.dldr
AVG Win32:Malware-gen

How to remove Win32/TrojanDownloader.Agent.CHD?

  • 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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