Categories: Trojan

What is “Trojan.Chydo”?

The Trojan.Chydo 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.Chydo virus can do?

Yara rule detections observed from a process memory dump/dropped files/CAPE
Dynamic (imported) function loading detected
Enumerates running processes
Repeatedly searches for a not-found process, may want to run with startbrowser=1 option
Drops a binary and executes it
The binary likely contains encrypted or compressed data.
Authenticode signature is invalid
Created a process from a suspicious location
Installs itself for autorun at Windows startup
Creates a copy of itself
Attempts to disable UAC
Attempts to modify UAC prompt behavior

How to determine Trojan.Chydo?


File Info:
name: 125345B4159DA1818172.mlwpath: /opt/CAPEv2/storage/binaries/b9b7d76c518808d280ee6f68318fce842219d0d608f64d443f28771d740b78e5crc32: EAB805B7md5: 125345b4159da1818172cdac5901941esha1: 513a7dbf2fc4440c14c2a2cb4750e5d70d0e8f07sha256: b9b7d76c518808d280ee6f68318fce842219d0d608f64d443f28771d740b78e5sha512: e3a8370aeba8b1f3dc03714fc54455674c459b85a4f32497686ff18bd6921534b8ea1d9c3b84e0eab3c7ad4658b644a775c971b91ef5d7beabb1331343942bebssdeep: 12288:o6bvdl0zCB8EDItMTzwg7lMQsvNuqZBRbZEYTwdD7IjLgXTx5KEZh:5vdezCByqTtlMQsFuqzRbzI7Iihtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1C0C4F11CFA958D3FDE1746FC905AC5EE5B5B9DA305D4002727F4BBCE9AB12A0800ED29sha3_384: 8ce8caab21c47da4d60a3f98bcf221e331e02583c52f4080c2195c5c99632e6e1f3628db4b6902f9a039759005aa8189ep_bytes: 6a606870714000e87f030000bf940000timestamp: 2009-04-17 17:23:08
Version Info:
0: [No Data]

Trojan.Chydo also known as:

Bkav	W32.FamVT.MyurenDC.Trojan
Lionic	Trojan.Win32.Generic.lvMt
Elastic	malicious (high confidence)
DrWeb	Trojan.MulDrop5.14836
MicroWorld-eScan	Trojan.Dropper.VIO
FireEye	Generic.mg.125345b4159da181
CAT-QuickHeal	Trojan.KillAv.DR
McAfee	BackDoor-EJG
Cylance	Unsafe
VIPRE	Trojan.Win32.Generic!BT
K7AntiVirus	Trojan ( 003b31ad1 )
BitDefender	Trojan.Dropper.VIO
K7GW	Trojan ( 003b31ad1 )
Cybereason	malicious.4159da
Arcabit	Trojan.Dropper.VIO
BitDefenderTheta	AI:Packer.45FD971920
Cyren	W32/KillAV.M.gen!Eldorado
Symantec	W32.Pykspa!gen1
ESET-NOD32	Win32/AutoRun.Agent.TV
TrendMicro-HouseCall	WORM_MESSEN.SMF
Paloalto	generic.ml
ClamAV	Win.Malware.Pykspa-6723766-0
Kaspersky	Worm.Win32.AutoRun.iea
Alibaba	Trojan:Win32/Starter.ali2000005
NANO-Antivirus	Trojan.Win32.Chydo.eahreo
ViRobot	Trojan.Win32.Chydo.516096.B
Rising	Downloader.Dwonk!1.662D (CLASSIC)
Ad-Aware	Trojan.Dropper.VIO
Emsisoft	Trojan.Dropper.VIO (B)
Comodo	Worm.Win32.AutoRunAgent.TV2@1lq8ot
Baidu	Win32.Worm.Autorun.j
Zillya	Worm.AutoRun.Win32.116380
TrendMicro	WORM_MESSEN.SMF
McAfee-GW-Edition	BehavesLike.Win32.Backdoor.hc
SentinelOne	Static AI – Malicious PE
Sophos	Mal/Generic-R + Troj/Bckdr-RAK
Ikarus	Trojan-Dropper.Agent
Jiangmin	Trojan/Chydo.bj
MaxSecure	Worm.Agent.adx
Avira	TR/AD.Kypes.aroap
Gridinsoft	Ransom.Win32.Gen.sa
Microsoft	TrojanDropper:Win32/Pykspa.A
SUPERAntiSpyware	Trojan.Agent/Gen-KillAV
GData	Win32.Trojan.PSE.1IFY41
Cynet	Malicious (score: 100)
AhnLab-V3	Trojan/Win32.Chydo.R40147
Acronis	suspicious
ALYac	Trojan.Dropper.VIO
TACHYON	Trojan/W32.Chydo.569344.E
VBA32	BScope.Worm.Chydo
Malwarebytes	Trojan.Chydo
Panda	Generic Malware
APEX	Malicious
Tencent	Trojan.Win32.FakeAlert.ate
Yandex	Worm.Agent!fjpTjPncbb0
MAX	malware (ai score=82)
eGambit	Unsafe.AI_Score_99%
Fortinet	W32/Agent.LGB!tr
AVG	Win32:Chydo [Drp]
Avast	Win32:Chydo [Drp]
CrowdStrike	win/malicious_confidence_100% (W)