Categories: Trojan

Trojan:Win32/Guildma.psyU!MTB (file analysis)

The Trojan:Win32/Guildma.psyU!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/Guildma.psyU!MTB virus can do?

  • Sample contains Overlay data
  • Performs HTTP requests potentially not found in PCAP.
  • Reads data out of its own binary image
  • Drops a binary and executes it
  • Authenticode signature is invalid
  • Attempts to repeatedly call a single API many times in order to delay analysis time
  • Detects Joe or Anubis Sandboxes through the presence of a file
  • Attempts to modify proxy settings

How to determine Trojan:Win32/Guildma.psyU!MTB?


File Info:

name: AA26963FB2A491EBD301.mlwpath: /opt/CAPEv2/storage/binaries/7ac1148754fb33af1b0b1089539a7c5b3907f5bf1a2f217f665fb0d8751398a7crc32: 2A805BAAmd5: aa26963fb2a491ebd30122a621a0896esha1: 1429b906cde88045614379983191faa84ecd4992sha256: 7ac1148754fb33af1b0b1089539a7c5b3907f5bf1a2f217f665fb0d8751398a7sha512: f937601ce2f8aae1cf4ef47481ce6674305a2ff8e087729558bff7ee7c7a00cea32df814286146d2ed5b813101f5b9780d9ad3cac008fdc3f4d0895375146e3cssdeep: 192:UHkr4ITcYqPq6FZASgp4uq66P8B3BDFwRN17Jtwan8:UzITenTNhuxrzyPXwan8type: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1737261342FEB5EF6E363DAF34AF3E7D6A97AF172A503C64D80CA0B0544039419951E19sha3_384: 4001dde40ccd4ae7db35d44c514e171912b56f6961f179b34b9d017c98d7d268e790bfbdb03cf5b69cc14fa96332d292ep_bytes: 558becb83c200000e873030000535657timestamp: 2013-09-09 15:33:47

Version Info:

0: [No Data]

Trojan:Win32/Guildma.psyU!MTB also known as:

Bkav W32.AIDetectNet.01
Lionic Trojan.Win32.Generic.4!c
tehtris Generic.Malware
DrWeb Trojan.DownLoader45.3848
MicroWorld-eScan Trojan.Ppatre.Gen.1
ClamAV Win.Downloader.Upatre-6725302-0
FireEye Generic.mg.aa26963fb2a491eb
CAT-QuickHeal Trojan.Mauvaise.SL1
McAfee Upatre-FACV!AA26963FB2A4
Malwarebytes Small.Trojan.Downloader.DDS
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (W)
K7GW Trojan-Downloader ( 004eadfb1 )
K7AntiVirus Trojan-Downloader ( 0050fef41 )
BitDefenderTheta Gen:NN.ZexaE.36132.amY@aaM70Me
VirIT Trojan.Win32.Generic.BMBK
Cyren W32/S-79ee1585!Eldorado
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/TrojanDownloader.Small.PRL
APEX Malicious
Paloalto generic.ml
Cynet Malicious (score: 100)
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Trojan.Ppatre.Gen.1
NANO-Antivirus Trojan.Win32.DownLoad3.cjerhf
SUPERAntiSpyware Trojan.Agent/Gen-Downloader
Avast Win32:Downloader-WID [Trj]
Tencent Trojan-Downloader.Win32.Small.16000476
Emsisoft Trojan.Ppatre.Gen.1 (B)
F-Secure Trojan.TR/Dropper.Gen
Baidu Win32.Trojan-Downloader.Waski.k
VIPRE Trojan.Ppatre.Gen.1
TrendMicro TROJ_DLOADER.SM3
McAfee-GW-Edition BehavesLike.Win32.Downloader.lz
Trapmine malicious.high.ml.score
Sophos Troj/Upatre-YW
Ikarus Trojan-Downloader.Win32.Upatre
GData Win32.Trojan.PSE.10GNMYL
Jiangmin Trojan.Generic.acusk
Avira TR/Dropper.Gen
Antiy-AVL Trojan/Win32.Waski.a
Xcitium TrojWare.Win32.TrojanDownloader.Upatre.ACC@56yhj8
Arcabit Trojan.Ppatre.Gen.1
ZoneAlarm HEUR:Trojan.Win32.Generic
Microsoft Trojan:Win32/Guildma.psyU!MTB
Google Detected
AhnLab-V3 Trojan/Win32.Zbot.R83549
VBA32 BScope.Trojan.Downloader
ALYac Trojan.Ppatre.Gen.1
MAX malware (ai score=100)
Cylance unsafe
Panda Trj/Genetic.gen
TrendMicro-HouseCall TROJ_DLOADER.SM3
Rising Downloader.Waski!1.A489 (CLASSIC)
Yandex Trojan.GenAsa!xjw/xZS1BKE
SentinelOne Static AI – Malicious PE
MaxSecure Trojan.Upatre.Gen
Fortinet W32/Tiny.NIV!tr
AVG Win32:Downloader-WID [Trj]
DeepInstinct MALICIOUS

How to remove Trojan:Win32/Guildma.psyU!MTB?

  • 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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