Malware

About “Win32/Injector.EFPY” infection

Malware Removal

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: 5FC3B8D2
md5: b121c0ef5bd8ed3df67667a94877f54a
name: B121C0EF5BD8ED3DF67667A94877F54A.mlw
sha1: 4e7d4764150f224d647f31161a7e7aae98f0f001
sha256: d3be13cee8d96a73bbae046326c35bec1e55f4e4c5830a89011d38e3e1ab1ca0
sha512: c0dac91a548245c357ee102346ddc46b182b28efd2bea2ddf3282874a5295f003f79db74f0a5a5b52d7a6f249460d18386bdadfdc5745f3c23d3d48cd79df4b0
ssdeep: 3072:ioCiCyEsfY39+c/65v+7Ce7JhFRjVQCYM:2HyNZeAeJ7JVVF/
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

Translation: 0x0409 0x04b0
LegalCopyright: ne of the millions playing, creating and exploring the endless possibilities of Roblox
InternalName: LAJJXPV5W
FileVersion: 1.00
CompanyName: ne of the millions playing, creating and exploring the endless possibilities of Roblox
LegalTrademarks: ne of the millions playing, creating and exploring the endless possibilities of Roblox
ProductName: ne of the millions playing, creating and exploring the endless possibilities of Roblox
ProductVersion: 1.00
FileDescription: ne of the millions playing, creating and exploring the endless possibilities of Roblox
OriginalFilename: LAJJXPV5W.exe

Win32/Injector.EFPY also known as:

BkavW32.AIDetect.malware1
Elasticmalicious (high confidence)
MicroWorld-eScanTrojan.Ransomware.GenericKDS.41386452
CylanceUnsafe
SangforTrojan.Win32.Save.a
BitDefenderTrojan.Ransomware.GenericKDS.41386452
Cybereasonmalicious.f5bd8e
ArcabitTrojan.Ransomware.GenericS.D27781D4
SymantecML.Attribute.HighConfidence
APEXMalicious
KasperskyTrojan-Ransom.Win32.Purgen.anq
Ad-AwareTrojan.Ransomware.GenericKDS.41386452
EmsisoftTrojan.Ransomware.GenericKDS.41386452 (B)
F-SecureHeuristic.HEUR/AGEN.1138438
McAfee-GW-EditionBehavesLike.Win32.Generic.ch
FireEyeGeneric.mg.b121c0ef5bd8ed3d
SophosML/PE-A
AviraHEUR/AGEN.1138438
MAXmalware (ai score=84)
MicrosoftTrojan:Win32/Wacatac.B!ml
ZoneAlarmTrojan-Ransom.Win32.Purgen.anq
GDataTrojan.Ransomware.GenericKDS.41386452
CynetMalicious (score: 100)
ALYacTrojan.Ransomware.GenericKDS.41386452
ESET-NOD32a variant of Win32/Injector.EFPY
SentinelOneStatic AI – Malicious PE
FortinetW32/Kryptik.GUIF!tr
BitDefenderThetaGen:NN.ZevbaF.34590.hm1@aWJ5!ZBi
Qihoo-360HEUR/QVM03.0.9BFE.Malware.Gen
Paloaltogeneric.ml
CrowdStrikewin/malicious_confidence_100% (D)

How to remove Win32/Injector.EFPY?

Win32/Injector.EFPY removal tool
  • 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.

About the author

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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