Categories: Malware

What is “Tdss.27”?

The Tdss.27 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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Removing PC viruses manually may take hours and may damage your PC in the process. We recommend using GridinSoft Anti-Malware for virus removal. Allows to complete scan and cure your PC during the trial period.
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What Tdss.27 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
  • Reads data out of its own binary image
  • CAPE extracted potentially suspicious content
  • Drops a binary and executes it
  • Authenticode signature is invalid
  • Collects information to fingerprint the system

How to determine Tdss.27?


File Info:

name: 2D6A1643A3B2826A46F0.mlwpath: /opt/CAPEv2/storage/binaries/1ceec581a819c6c8fead37ba79b22ee5368dca5177250273548f6cf7958c0662crc32: 79DD7AB3md5: 2d6a1643a3b2826a46f0c669fb863a19sha1: e6c9a2c62a9e86d39781279503014c54f17764dcsha256: 1ceec581a819c6c8fead37ba79b22ee5368dca5177250273548f6cf7958c0662sha512: 6e4554d82e8a294801334a8e1344e82ba7b9cccb07bc3b10df2bf9791196778e8b82f8de5240f47789a5552cedfb98771a2889897605776cf394481e3f752c43ssdeep: 3072:S2qTc8JsfA/rpTeieAp0jVMz52M7I2yOUXjbF3dz8mrvX54Ih:SvTc8J0WpTedSz5dc2yOUTxFnrvX546type: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T171047BC03B75D09DE3DE07764096D70A806EBE04D21E29AB0D13AADFE64D4512A2FD7Bsha3_384: 4a450fa29ac90f25d1d89cbabf04c8790b0661d52aaafe0eb8e573143bd7eb4edee7e5b73af493f5314207045bcf1736ep_bytes: 558bec51c705c4b84200b54a0600c705timestamp: 2013-09-25 06:59:43

Version Info:

CompanyName: К ор пор ация Ма йкр ософтFileDescription: g sd

Tdss.27 also known as:

Bkav W32.FamVT.GepysNHm.Trojan
DrWeb Trojan.Mods.4
MicroWorld-eScan Gen:Variant.Tdss.27
FireEye Generic.mg.2d6a1643a3b2826a
McAfee Packed-AM!2D6A1643A3B2
Cylance Unsafe
Sangfor Suspicious.Win32.Save.a
K7AntiVirus Trojan ( 0055e3df1 )
K7GW Trojan ( 0055e3df1 )
Cybereason malicious.3a3b28
Arcabit Trojan.Tdss.27
BitDefenderTheta Gen:NN.ZexaF.34742.kq1@aCrz5JmG
VirIT Trojan.Win32.Generic.CMZS
Cyren W32/S-d0f6a14b!Eldorado
Elastic malicious (high confidence)
ESET-NOD32 Win32/TrojanDropper.Gepys.AA
ClamAV Win.Trojan.Agent-1364086
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Gen:Variant.Tdss.27
NANO-Antivirus Trojan.Win32.Mods.cqitwr
Avast Win32:Trojan-gen
Tencent Malware.Win32.Gencirc.10b09c3b
Ad-Aware Gen:Variant.Tdss.27
Emsisoft Gen:Variant.Tdss.27 (B)
Comodo TrojWare.Win32.Kryptik.AZNO@4wxaj7
Baidu Win32.Adware.Kryptik.b
Zillya Trojan.ShipUp.Win32.2564
SentinelOne Static AI – Malicious PE
Trapmine malicious.high.ml.score
Sophos ML/PE-A
Ikarus Trojan.Win32.ShipUp
Jiangmin Trojan/ShipUp.wk
Avira HEUR/AGEN.1211962
Microsoft Trojan:Win32/Gepys.B
GData Gen:Variant.Tdss.27
Cynet Malicious (score: 100)
AhnLab-V3 Dropper/Win32.Injector.C201117
VBA32 Trojan.ShipUp
ALYac Gen:Variant.Tdss.27
Malwarebytes Malware.AI.3984831528
APEX Malicious
Rising Trojan.Kryptik!1.A949 (CLASSIC)
MAX malware (ai score=86)
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/Zbot.FG!tr
AVG Win32:Trojan-gen
Panda Trj/Genetic.gen

How to remove Tdss.27?

  • 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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