Categories: Malware

W32/CTSInf-A removal guide

The W32/CTSInf-A 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 W32/CTSInf-A virus can do?

  • Sample contains Overlay data
  • Reads data out of its own binary image
  • Drops a binary and executes it
  • The binary contains an unknown PE section name indicative of packing
  • The executable is compressed using UPX
  • Authenticode signature is invalid
  • Harvests cookies for information gathering

How to determine W32/CTSInf-A?


File Info:

name: AC291DC8F2610AD5DF3C.mlwpath: /opt/CAPEv2/storage/binaries/e12e3a45524bfd0aebc4db7ebd33ddea26685e7f6c4f6a0c59a19405701d3544crc32: 8DAA9B33md5: ac291dc8f2610ad5df3c4a043e4c951dsha1: a1cf18ef2787fe45ee9dbc556d2570a148635ad8sha256: e12e3a45524bfd0aebc4db7ebd33ddea26685e7f6c4f6a0c59a19405701d3544sha512: d318a2a2a881a7061efaab12d8d53a4ef41ccca5b58616eefa47822a6290a33e68c7d64a8ad9dff07299a8776a8a76f13df59d92c071c2bff47ece09ae88297dssdeep: 1536:scNjQlsWjcdiTuXbELbGn82i+beoecNjQlsWjcdiTuXbELbGn82i+beot:vjr5ELbGnzi+aoJjr5ELbGnzi+aottype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T19AF36C133AD58471E07A4A3908B486115A3BBDF15EB49CAB77C8119E4EB22C19F78F37sha3_384: 6fa12d8713880c356645b09670e2d6a80a5c601021e4158a96be46977e4622c6fadf571717aa6aa05655da430a976d6bep_bytes: e821110000e97ffeffff558bec8325a8timestamp: 2015-05-05 13:45:31

Version Info:

0: [No Data]

W32/CTSInf-A also known as:

Bkav W32.AIDetectMalware
Elastic malicious (high confidence)
MicroWorld-eScan Trojan.GenericKD.37390325
FireEye Generic.mg.ac291dc8f2610ad5
CAT-QuickHeal Trojan.GenericIH.S16230668
ALYac Trojan.GenericKD.37390325
Malwarebytes Trojan.Dropper.VBS
VIPRE Trojan.GenericKD.37390325
Sangfor Trojan.Win32.Save.a
K7AntiVirus Trojan ( 00561d541 )
K7GW Trojan ( 00561d541 )
Cybereason malicious.8f2610
BitDefenderTheta AI:Packer.4E7E9A7B1E
VirIT Trojan.Win32.Genus.CMD
Cyren W32/Ransom.KX.gen!Eldorado
Symantec ML.Attribute.HighConfidence
tehtris Generic.Malware
ESET-NOD32 a variant of Win32/Agent.NCK
APEX Malicious
ClamAV Win.Malware.Zusy-9957983-0
Kaspersky HEUR:Trojan-Dropper.Win32.Daws.gen
BitDefender Trojan.GenericKD.37390325
NANO-Antivirus Trojan.Win32.TP.fwrmck
SUPERAntiSpyware Trojan.Agent/Gen-Malagent
Avast Win32:MalwareX-gen [Trj]
Emsisoft Trojan.GenericKD.37390325 (B)
F-Secure Heuristic.HEUR/AGEN.1315573
DrWeb Trojan.DownLoader23.51365
Zillya Trojan.Generic.Win32.1241800
McAfee-GW-Edition BehavesLike.Win32.Ctsinf.cm
Trapmine malicious.high.ml.score
Sophos W32/CTSInf-A
SentinelOne Static AI – Malicious PE
GData Win32.Trojan.Agent.AXD
Jiangmin Trojan.Agent.cemd
Google Detected
Avira HEUR/AGEN.1315573
MAX malware (ai score=89)
Antiy-AVL Trojan/Win32.Agent
Xcitium Packed.Win32.MUPX.Gen@24tbus
Arcabit Trojan.Generic.D23A87F5
ViRobot Win32.CTS.A
ZoneAlarm HEUR:Trojan-Dropper.Win32.Daws.gen
Microsoft Trojan:Win32/Prepscram.A!MTB
Cynet Malicious (score: 100)
AhnLab-V3 Packed/Win32.Generic.R361447
McAfee W32/Ctsinf.a
VBA32 Trojan.Agent
Cylance unsafe
Panda Trj/Genetic.gen
Rising Virus.CTS!1.DA0D (CLASSIC)
Ikarus Virus.Win32.CeeInject
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/Agent.NCK
AVG Win32:MalwareX-gen [Trj]
DeepInstinct MALICIOUS
CrowdStrike win/malicious_confidence_100% (D)

How to remove W32/CTSInf-A?

  • 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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