Trojan

Trojan.Agent.ECUO (B) removal tips

Malware Removal

The Trojan.Agent.ECUO (B) 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.Agent.ECUO (B) virus can do?

  • Behavioural detection: Executable code extraction – unpacking
  • SetUnhandledExceptionFilter detected (possible anti-debug)
  • Yara rule detections observed from a process memory dump/dropped files/CAPE
  • Creates RWX memory
  • Dynamic (imported) function loading detected
  • Enumerates running processes
  • CAPE extracted potentially suspicious content
  • Drops a binary and executes it
  • Unconventionial language used in binary resources: Russian
  • 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
  • Created a process from a suspicious location
  • Creates a copy of itself

How to determine Trojan.Agent.ECUO (B)?


File Info:

name: 806B22B8130CA7080827.mlw
path: /opt/CAPEv2/storage/binaries/3f8dfc5f318cee9da6b9eb30bcfd0003696e0246c53e1b6f2619ed9cca8e3870
crc32: 8853D2CA
md5: 806b22b8130ca708082794575356c640
sha1: fe2e44709d3fe84602d437b9d7bc47761913693d
sha256: 3f8dfc5f318cee9da6b9eb30bcfd0003696e0246c53e1b6f2619ed9cca8e3870
sha512: 773d39337677e3a2d702cfc942b1ebe28567a4dd3ff635150c0f7c2bc327c0bd495bd3e202d0e7eba5333d3738a16868b1bcaea10ccaf881f9a21192daef56b6
ssdeep: 196608:DRpRcVF3qdrC6ZOov2TMOlIXoPVnrkhjJlOkD1kA+yfgoEFb:NpRcv3qdrC6MoeMXCOjJlCyq
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1ED86331B3F576458CCA888B74C570E3C6C3A09D5B637DD2AF6418E198E4E4F8BCC265A
sha3_384: a0ddc19ba0193afe8fc60d7915ba25a4eb94bfe0c3e6263ba62e945c8bd0a06e4e1790ec1ce45fe11dd4b9818cd9db93
ep_bytes: 60be00804b008dbe0090f4ff57eb0b90
timestamp: 2008-05-30 04:46:30

Version Info:

CompanyName: AVG Technologies CZ, s.r.o.
FileDescription: AVG Tray Monitor
FileVersion: 9.0.0.871
InternalName: avgtray
LegalCopyright: Copyright © 2010 AVG Technologies CZ, s.r.o.
OriginalFilename: avgtray.exe
ProductName: AVG Internet Security
ProductVersion: 9.0.0.871
PrivateBuild: Win32 Release_Unicode
SpecialBuild: Avg8VC8_2010_1109_133319(871), SVNRev 145063 (/branches/release/SmallUpdate9-12)
Translation: 0x0409 0x04e4

Trojan.Agent.ECUO (B) also known as:

LionicWorm.Win32.Kolab.p!c
Elasticmalicious (high confidence)
MicroWorld-eScanTrojan.Agent.ECUO
FireEyeGeneric.mg.806b22b8130ca708
CAT-QuickHealWorm.SlenfBot.Gen
ALYacTrojan.Agent.ECUO
CylanceUnsafe
ZillyaWorm.Kolab.Win32.5201
SangforTrojan.Win32.Sefnit.R
K7AntiVirusTrojan ( 0020d11f1 )
AlibabaWorm:Win32/Kolab.7cde41c9
K7GWTrojan ( 0020d11f1 )
Cybereasonmalicious.8130ca
VirITTrojan.Win32.Generic.LJC
CyrenW32/Sefnit.G.gen!Eldorado
SymantecTrojan.ADH
ESET-NOD32a variant of Win32/Kryptik.LPD
Paloaltogeneric.ml
ClamAVWin.Worm.Kolab-4579
KasperskyNet-Worm.Win32.Kolab.vep
BitDefenderTrojan.Agent.ECUO
NANO-AntivirusTrojan.Win32.MLW.ieike
AvastWin32:Malware-gen
TencentMalware.Win32.Gencirc.10b58e46
Ad-AwareTrojan.Agent.ECUO
SophosMal/Generic-R + Troj/Agent-VOW
ComodoTrojWare.Win32.TrojanSpy.Zbot.G@2tckk5
F-SecureTrojan.TR/Dropper.Gen
DrWebTrojan.Packed.21467
VIPRETrojan.Win32.Kryptik.lbu (v)
TrendMicroWORM_KOLAB.SMB
McAfee-GW-EditionBehavesLike.Win32.Dropper.wc
EmsisoftTrojan.Agent.ECUO (B)
SentinelOneStatic AI – Malicious PE
GDataTrojan.Agent.ECUO
JiangminWorm/Kolab.jod
WebrootW32.Infostealer.Gen
AviraTR/Dropper.Gen
MAXmalware (ai score=100)
Antiy-AVLWorm[Net]/Win32.Kolab
KingsoftWorm.Kolab.(kcloud)
ArcabitTrojan.Agent.ECUO
ViRobotWorm.Win32.A.Net-Kolab.1331712[UPX]
ZoneAlarmNet-Worm.Win32.Kolab.vep
MicrosoftTrojan:Win32/Sefnit.R
CynetMalicious (score: 100)
AhnLab-V3Worm/Win32.Kolab.R3715
McAfeeSefnit.ad
VBA32Trojan.Zeus.EA.0999
MalwarebytesMalware.Heuristic.1003
TrendMicro-HouseCallWORM_KOLAB.SMB
RisingWorm.Kolab!8.1C4D (CLOUD)
YandexTrojan.GenAsa!aj/jMlpwICk
IkarusTrojan-PWS.Win32.Zbot
FortinetW32/Kryptik.NAS!tr
BitDefenderThetaGen:NN.ZexaF.34212.@pNfaCossgpc
AVGWin32:Malware-gen
PandaBck/Qbot.AO
CrowdStrikewin/malicious_confidence_60% (W)

How to remove Trojan.Agent.ECUO (B)?

Trojan.Agent.ECUO (B) removal tool
  • 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.

About the author

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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