Categories: Trojan

Trojan:Win32/Occamy.C0A removal

The Trojan:Win32/Occamy.C0A 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/Occamy.C0A virus can do?

  • Executable code extraction
  • Attempts to connect to a dead IP:Port (1 unique times)
  • Presents an Authenticode digital signature
  • Creates RWX memory
  • A process attempted to delay the analysis task.
  • Repeatedly searches for a not-found process, may want to run with startbrowser=1 option
  • A process created a hidden window
  • Performs some HTTP requests
  • Creates an autorun.inf file
  • Uses Windows utilities for basic functionality
  • Attempts to delete volume shadow copies
  • Attempts to repeatedly call a single API many times in order to delay analysis time
  • Modifies boot configuration settings
  • Installs itself for autorun at Windows startup
  • Creates a hidden or system file
  • Attempts to modify proxy settings
  • Clears Windows events or logs
  • Creates a copy of itself
  • Attempts to disable UAC
  • Attempts to modify UAC prompt behavior
  • Uses suspicious command line tools or Windows utilities

Related domains:

z.whorecord.xyz
a.tomx.xyz
api.myip.com
ocsp.digicert.com

How to determine Trojan:Win32/Occamy.C0A?


File Info:

crc32: 5374241Fmd5: 112721221326a651a0213ecb9519e341name: ztx555.exesha1: c140dc95833b198a239c17838a77a844e2e31866sha256: 0a255eb353ef77a37e45427258d4e2d27b749a93f821cddbeaefbc91916e1606sha512: 3cc171761db6578f55ffbf239e29b48eb7fe4f2ea535bb66f81f26f8ed3d75772e1d4bf26718fd4b441fea2f1b6231385771a6cf884768620bd7324bb14fa6cfssdeep: 24576:LCBvy8kdTSWCCHx0+pMQmCEr6unzF1eljClKncdlCi6/J9K84ie7wGF:LAodTSSOyA6unzSl2ltIxShFtype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Trojan:Win32/Occamy.C0A also known as:

Bkav W32.AIDetectVM.malwareB
Cynet Malicious (score: 100)
ALYac Trojan.Ransom.Avaddon
Cylance Unsafe
Sangfor Malware
K7AntiVirus Riskware ( 0040eff71 )
BitDefender Trojan.GenericKD.34043131
K7GW Riskware ( 0040eff71 )
Cybereason malicious.5833b1
TrendMicro Worm.Win32.SULOC.THFAHBO
Cyren W32/Trojan.WIWD-3306
Symantec ML.Attribute.HighConfidence
ESET-NOD32 Win32/Filecoder.Avaddon.A
APEX Malicious
Paloalto generic.ml
Alibaba Trojan:Application/AvaddonRansom.00bc1d71
MicroWorld-eScan Trojan.GenericKD.34043131
Rising Dropper.Generic!8.35E (TFE:dGZlOgLVVuFZ8JiEQA)
Ad-Aware Trojan.GenericKD.34043131
Emsisoft Adware.Generic (A)
F-Secure Trojan.TR/AD.AvaddonRansom.nsnlw
DrWeb Trojan.DownLoader33.56359
McAfee-GW-Edition Artemis!Trojan
Fortinet W32/Kryptik.HDZJ!tr
Trapmine malicious.moderate.ml.score
FireEye Trojan.GenericKD.34043131
Sophos Troj/Qbot-FS
Ikarus Trojan.SuspectCRC
Webroot W32.Adware.Gen
Avira TR/AD.AvaddonRansom.nsnlw
MAX malware (ai score=83)
Antiy-AVL GrayWare/Win32.Kryptik.ehls
Endgame malicious (high confidence)
Arcabit Trojan.Generic.D20774FB
Microsoft Trojan:Win32/Occamy.C0A
AhnLab-V3 Trojan/Win32.RansomCrypt.C4132636
McAfee Artemis!112721221326
VBA32 BScope.TrojanDownloader.Cridex
Malwarebytes Trojan.Qbot
TrendMicro-HouseCall Worm.Win32.SULOC.THFAHBO
SentinelOne DFI – Malicious PE
eGambit Unsafe.AI_Score_98%
GData Trojan.GenericKD.34043131
BitDefenderTheta Gen:NN.ZexaF.34128.@AX@ausuNMei
AVG Win32:DangerousSig [Trj]
Avast Win32:DangerousSig [Trj]
CrowdStrike win/malicious_confidence_60% (W)
Qihoo-360 Generic/Trojan.Ransom.4ba

How to remove Trojan:Win32/Occamy.C0A?

  • 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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