Categories: Malware

VirTool:Win32/Occamy.AA (file analysis)

The VirTool:Win32/Occamy.AA 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 VirTool:Win32/Occamy.AA virus can do?

  • Executable code extraction
  • Injection (inter-process)
  • Injection (Process Hollowing)
  • Creates RWX memory
  • The binary likely contains encrypted or compressed data.
  • Executed a process and injected code into it, probably while unpacking
  • Network activity detected but not expressed in API logs
  • Anomalous binary characteristics

How to determine VirTool:Win32/Occamy.AA?


File Info:

crc32: B9DBD332md5: 58a39300d73290e32a7130e3f759a592name: ach.exesha1: f094a4964c9c570bf8f32604db47d3af18b7f738sha256: 9510e1fa52d972842634706946a75a957f1578b58d247a498915e0c30fea6d2dsha512: abda6851061947c38b11ee29d1d577d5d424fc8230b87bb12c8a98396abc5a614b6c3c0f481aaca73827e3553add9a6d2a87c544aa08bc1cc0437aa8adfa8ccessdeep: 12288:+wuGAp/gAZ3k+9JJQrm3g9KqtVnn4Ug8orPr5CDKDad:+ntPZhrg+UgB35CDK4type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

VirTool:Win32/Occamy.AA also known as:

MicroWorld-eScan Gen:Variant.Zusy.303686
Qihoo-360 Win32/Trojan.469
McAfee Fareit-FTB!58A39300D732
Cylance Unsafe
VIPRE Trojan.Win32.Generic!BT
Sangfor Malware
CrowdStrike win/malicious_confidence_90% (W)
BitDefender Gen:Variant.Zusy.303686
K7GW Trojan ( 005668161 )
K7AntiVirus Trojan ( 005668161 )
Arcabit Trojan.Zusy.D4A246
TrendMicro TSPY_HPLOKI.SMBD
F-Prot W32/Trojan3.APDT
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/Injector.ELWH
APEX Malicious
Paloalto generic.ml
Kaspersky HEUR:Trojan.Win32.Kryptik.gen
Alibaba Trojan:Win32/Kryptik.8c2bf0b8
NANO-Antivirus Trojan.Win32.Inject3.hkdsco
AegisLab Trojan.Win32.Kryptik.4!c
Rising Dropper.Agent!8.2F (CLOUD)
Endgame malicious (high confidence)
Emsisoft Gen:Variant.Zusy.303686 (B)
F-Secure Trojan.TR/Injector.gnlah
Invincea heuristic
McAfee-GW-Edition BehavesLike.Win32.Trojan.jc
Fortinet W32/Injector.ELXR!tr
Trapmine malicious.high.ml.score
FireEye Generic.mg.58a39300d73290e3
Sophos Mal/Fareit-AA
SentinelOne DFI – Suspicious PE
Cyren W32/Trojan.UXET-2696
Webroot W32.Trojan.Gen
Avira TR/Injector.gnlah
MAX malware (ai score=100)
Microsoft VirTool:Win32/Occamy.AA
ZoneAlarm HEUR:Trojan.Win32.Kryptik.gen
AhnLab-V3 Suspicious/Win.Delphiless.X2066
Acronis suspicious
VBA32 Trojan.Wacatac
ALYac Gen:Variant.Zusy.303686
Ad-Aware Gen:Variant.Zusy.303686
Malwarebytes Trojan.MalPack.DLF
Panda Trj/CI.A
Zoner Trojan.Win32.74414
TrendMicro-HouseCall TSPY_HPLOKI.SMBD
Tencent Win32.Trojan.Inject.Auto
Yandex Trojan.Injector!/fHzhr931MQ
Ikarus Trojan.Inject
eGambit Unsafe.AI_Score_100%
GData Gen:Variant.Zusy.303686
BitDefenderTheta Gen:NN.ZelphiF.34110.OGW@a4XtLrki
AVG Win32:Trojan-gen
Cybereason malicious.64c9c5
Avast Win32:Trojan-gen

How to remove VirTool:Win32/Occamy.AA?

  • 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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