Trojan

Trojan:Win32/Gamaredon.psyM!MTB malicious file

Malware Removal

The Trojan:Win32/Gamaredon.psyM!MTB 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:Win32/Gamaredon.psyM!MTB virus can do?

  • Behavioural detection: Executable code extraction – unpacking
  • Sample contains Overlay data
  • Performs HTTP requests potentially not found in PCAP.
  • Reads data out of its own binary image
  • CAPE extracted potentially suspicious content
  • Drops a binary and executes it
  • The binary contains an unknown PE section name indicative of packing
  • Executable file is packed/obfuscated with MPRESS
  • Authenticode signature is invalid
  • Attempts to repeatedly call a single API many times in order to delay analysis time
  • Attempts to modify proxy settings
  • Yara rule detections observed from a process memory dump/dropped files/CAPE

How to determine Trojan:Win32/Gamaredon.psyM!MTB?


File Info:

name: 6548B254CA5F2855E79F.mlw
path: /opt/CAPEv2/storage/binaries/67c8e0a50425959df91e95f36e0077b73afc11cc26ff177f659f3a40de81f1f2
crc32: 92122A99
md5: 6548b254ca5f2855e79f75fa1138fe2a
sha1: 02a32783f1cfe9fb8f5434fc4cc676347be2725d
sha256: 67c8e0a50425959df91e95f36e0077b73afc11cc26ff177f659f3a40de81f1f2
sha512: e385bac84d667e7d121ff3b85053b2af680b2e95095b9d7483932b249b3141723926071e8c617cabfb2dc2e376ed3877f54788f31371d8215688a0f368c02f9e
ssdeep: 384:RYsx9+11H0QxeM6bcsu+HYp+OLHeN+6VgZctNYVrCQ/eifaFArct:6szu5ejHqeLVgZctNorCuFfa9
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T10B2303791EE455B6D3B78E74A9FDB0C2E830BC127A85840D149A77850CB3F16ED90E2E
sha3_384: 3e8e3bf48c3922d23854eee11d082fa2d8d84c0344bbe6b859aa01458249e384e157042189adc48d511c52b0f7d61f1a
ep_bytes: e8330b0000a39e3040006a006a00ff35
timestamp: 2004-09-03 06:08:25

Version Info:

Comments:
CompanyName: MSР« Corp
FileDescrsiption: goС‹.exe
FileVersion: 5.2.1.2
InternalName: go.exe
LegalCopyright: Copyright (C) 2010
LegalTrademarks: Legal
OriginalFilename: gog.exe
PrivateBuild:
ProductName: Goщ
ProductVersion: 5.2.1.3
SpecialBuild:
Translation: 0x0800 0x0026

Trojan:Win32/Gamaredon.psyM!MTB also known as:

BkavW32.AIDetectNet.01
Elasticmalicious (high confidence)
MicroWorld-eScanTrojan.Agent.BAVG
FireEyeGeneric.mg.6548b254ca5f2855
McAfeeGenericRXIO-IT!6548B254CA5F
MalwarebytesSmall.Trojan.Downloader.DDS
ZillyaDownloader.Small.Win32.178684
SangforSuspicious.Win32.Save.a
K7AntiVirusTrojan ( 0052964f1 )
K7GWTrojan ( 004ebb4c1 )
CrowdStrikewin/malicious_confidence_100% (D)
BitDefenderThetaAI:Packer.1A4A5DFE1E
CyrenW32/Small.U.gen!Eldorado
SymantecML.Attribute.HighConfidence
ESET-NOD32Win32/TrojanDownloader.Small.AAB
APEXMalicious
ClamAVWin.Packed.Upatre-7168723-0
KasperskyHEUR:Trojan-Downloader.Win32.Upatre.pef
BitDefenderTrojan.Agent.BAVG
NANO-AntivirusTrojan.Win32.DownLoad3.fnbrav
AvastWin32:Agent-ASIE [Trj]
TencentMalware.Win32.Gencirc.10b1818f
EmsisoftTrojan.Agent.BAVG (B)
BaiduWin32.Trojan.Kryptik.mp
F-SecureTrojan.TR/Yarwi.AD.5
DrWebTrojan.DownLoad3.28161
VIPRETrojan.Agent.BAVG
TrendMicroTROJ_UPATRE.SM4
McAfee-GW-EditionBehavesLike.Win32.Generic.pt
Trapminemalicious.high.ml.score
SophosTroj/Agent-AEUD
SentinelOneStatic AI – Malicious PE
GDataWin32.Trojan-Downloader.Upatre.BJ
JiangminTrojan/Bublik.hei
GoogleDetected
AviraTR/Yarwi.AD.5
MAXmalware (ai score=84)
Antiy-AVLVirus/Win32.Expiro.imp
XcitiumTrojWare.Win32.TrojanDownloader.Upatre.BP@7j96vd
ArcabitTrojan.Agent.BAVG
SUPERAntiSpywareTrojan.Agent/Gen-Dropper
ZoneAlarmHEUR:Trojan-Downloader.Win32.Upatre.pef
MicrosoftTrojan:Win32/Gamaredon.psyM!MTB
CynetMalicious (score: 100)
AhnLab-V3Trojan/Win32.Zbot.R88085
VBA32BScope.Trojan.Delf
ALYacTrojan.Agent.BAVG
Cylanceunsafe
PandaTrj/GdSda.A
ZonerTrojan.Win32.18692
TrendMicro-HouseCallTROJ_UPATRE.SM4
RisingDownloader.Waski!1.A489 (CLASSIC)
IkarusTrojan.Win32.Badur
FortinetW32/Small.AAB!tr.dldr
AVGWin32:Agent-ASIE [Trj]
DeepInstinctMALICIOUS

How to remove Trojan:Win32/Gamaredon.psyM!MTB?

Trojan:Win32/Gamaredon.psyM!MTB 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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