Categories: Malware

About “Win32/Injector.EFPY” infection

The Win32/Injector.EFPY 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 Win32/Injector.EFPY 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
  • Installs itself for autorun at Windows startup
  • Exhibits possible ransomware file modification behavior
  • Creates a hidden or system file
  • Network activity detected but not expressed in API logs
  • Likely virus infection of existing system binary
  • Creates a copy of itself
  • Appends a known multi-family ransomware file extension to files that have been encrypted
  • Anomalous binary characteristics

Related domains:

z.whorecord.xyz
a.tomx.xyz

How to determine Win32/Injector.EFPY?


File Info:

crc32: 5FC3B8D2md5: b121c0ef5bd8ed3df67667a94877f54aname: B121C0EF5BD8ED3DF67667A94877F54A.mlwsha1: 4e7d4764150f224d647f31161a7e7aae98f0f001sha256: d3be13cee8d96a73bbae046326c35bec1e55f4e4c5830a89011d38e3e1ab1ca0sha512: c0dac91a548245c357ee102346ddc46b182b28efd2bea2ddf3282874a5295f003f79db74f0a5a5b52d7a6f249460d18386bdadfdc5745f3c23d3d48cd79df4b0ssdeep: 3072:ioCiCyEsfY39+c/65v+7Ce7JhFRjVQCYM:2HyNZeAeJ7JVVF/type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

Translation: 0x0409 0x04b0LegalCopyright: ne of the millions playing, creating and exploring the endless possibilities of RobloxInternalName: LAJJXPV5WFileVersion: 1.00CompanyName: ne of the millions playing, creating and exploring the endless possibilities of RobloxLegalTrademarks: ne of the millions playing, creating and exploring the endless possibilities of RobloxProductName: ne of the millions playing, creating and exploring the endless possibilities of RobloxProductVersion: 1.00FileDescription: ne of the millions playing, creating and exploring the endless possibilities of RobloxOriginalFilename: LAJJXPV5W.exe

Win32/Injector.EFPY also known as:

Bkav W32.AIDetect.malware1
Elastic malicious (high confidence)
MicroWorld-eScan Trojan.Ransomware.GenericKDS.41386452
Cylance Unsafe
Sangfor Trojan.Win32.Save.a
BitDefender Trojan.Ransomware.GenericKDS.41386452
Cybereason malicious.f5bd8e
Arcabit Trojan.Ransomware.GenericS.D27781D4
Symantec ML.Attribute.HighConfidence
APEX Malicious
Kaspersky Trojan-Ransom.Win32.Purgen.anq
Ad-Aware Trojan.Ransomware.GenericKDS.41386452
Emsisoft Trojan.Ransomware.GenericKDS.41386452 (B)
F-Secure Heuristic.HEUR/AGEN.1138438
McAfee-GW-Edition BehavesLike.Win32.Generic.ch
FireEye Generic.mg.b121c0ef5bd8ed3d
Sophos ML/PE-A
Avira HEUR/AGEN.1138438
MAX malware (ai score=84)
Microsoft Trojan:Win32/Wacatac.B!ml
ZoneAlarm Trojan-Ransom.Win32.Purgen.anq
GData Trojan.Ransomware.GenericKDS.41386452
Cynet Malicious (score: 100)
ALYac Trojan.Ransomware.GenericKDS.41386452
ESET-NOD32 a variant of Win32/Injector.EFPY
SentinelOne Static AI – Malicious PE
Fortinet W32/Kryptik.GUIF!tr
BitDefenderTheta Gen:NN.ZevbaF.34590.hm1@aWJ5!ZBi
Qihoo-360 HEUR/QVM03.0.9BFE.Malware.Gen
Paloalto generic.ml
CrowdStrike win/malicious_confidence_100% (D)

How to remove Win32/Injector.EFPY?

  • 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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