Malware

Mal/Mdrop-LZ (file analysis)

Malware Removal

The Mal/Mdrop-LZ 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 Mal/Mdrop-LZ virus can do?

  • SetUnhandledExceptionFilter detected (possible anti-debug)
  • Yara rule detections observed from a process memory dump/dropped files/CAPE
  • Creates RWX memory
  • Guard pages use detected – possible anti-debugging.
  • Dynamic (imported) function loading detected
  • CAPE extracted potentially suspicious content
  • The binary likely contains encrypted or compressed data.
  • Authenticode signature is invalid
  • Anomalous .NET characteristics
  • Uses Windows utilities for basic functionality
  • Behavioural detection: Injection (inter-process)
  • A potential decoy document was displayed to the user
  • Installs itself for autorun at Windows startup

How to determine Mal/Mdrop-LZ?



File Info:

name: FCB5E65C256EB1A62E15.mlw
path: /opt/CAPEv2/storage/binaries/1cf11819f9741d6f1854c9f6e2fe92af253fb74eb85cd79818aa85f32ba2b8f8
crc32: 1E76FAF1
md5: fcb5e65c256eb1a62e153db19aa33d7b
sha1: 59557bc748a2825e2e642f13fef985f709c2c28e
sha256: 1cf11819f9741d6f1854c9f6e2fe92af253fb74eb85cd79818aa85f32ba2b8f8
sha512: 13cb9ad475617896950221379d83ec9b935c189e9e2c256748f5947357a6402da51905f86ba11c0626b28834d5320b4ff98ce665d6811c40359a355e9ff79ba2
ssdeep: 98304:KGs02b7jlK65t6aiAKex8nJVzLCQ1ZpFt8jMZsnre:1eb7jZ5tp+nJVzx7gQsn
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1D926E092F3C59CEDE81712F4593E89211917BE6947AA81CF358D365689B33C220B7E0F
sha3_384: 33024a294a31cec037b98dc1036011ed7e9c4a2e3f10b97a71c5e85919f327f3344914758f57c64ab59fae785ffa94e9
ep_bytes: ff250020400000000000000000000000
timestamp: 2021-06-03 19:37:59


Version Info:

Translation: 0x0000 0x04b0
FileDescription:  
FileVersion: 0.0.0.0
InternalName: 4401R_03.exe
LegalCopyright:  
OriginalFilename: 4401R_03.exe
ProductVersion: 0.0.0.0
Assembly Version: 0.0.0.0

Mal/Mdrop-LZ also known as:

BkavW32.AIDetectNet.01
MicroWorld-eScanIL:Trojan.MSILZilla.19850
FireEyeGeneric.mg.fcb5e65c256eb1a6
McAfeeGenericRXAL-EF!FCB5E65C256E
CylanceUnsafe
VIPREIL:Trojan.MSILZilla.19850
SangforTrojan.Win32.Save.a
BitDefenderIL:Trojan.MSILZilla.19850
CrowdStrikewin/malicious_confidence_100% (W)
ArcabitIL:Trojan.MSILZilla.D4D8A
SymantecML.Attribute.HighConfidence
Elasticmalicious (high confidence)
ESET-NOD32a variant of MSIL/Agent.A
APEXMalicious
ClamAVWin.Dropper.Rozena-7488264-0
KasperskyHEUR:Trojan.Win32.Generic
NANO-AntivirusTrojan.Win32.Agent.ebrjye
Ad-AwareIL:Trojan.MSILZilla.19850
SophosMal/Mdrop-LZ
ComodoTrojWare.MSIL.Agent.AEA@6ljbce
F-SecureTrojan.TR/Spy.Gen
DrWebTrojan.MulDrop8.32462
McAfee-GW-EditionBehavesLike.Win32.Trojan.rc
EmsisoftIL:Trojan.MSILZilla.19850 (B)
SentinelOneStatic AI – Malicious PE
AviraTR/Spy.Gen
MicrosoftTrojan:Win32/Wacatac.B!ml
ZoneAlarmHEUR:Trojan.Win32.Generic
GDataIL:Trojan.MSILZilla.19850
CynetMalicious (score: 99)
AhnLab-V3Trojan/Win.Generic.R474783
Acronissuspicious
ALYacIL:Trojan.MSILZilla.19850
MAXmalware (ai score=86)
MalwarebytesTrojan.FakeAdobe.Gen
RisingMalware.FakePDF/ICON!1.9C3A (CLASSIC)
IkarusVirus.MSIL.Agent
FortinetMSIL/Agent.A!tr
BitDefenderThetaGen:NN.ZemsilF.34742.@p0@a42Y79b
AVGWin32:GenMaliciousA-MPK [Trj]
Cybereasonmalicious.c256eb
AvastWin32:GenMaliciousA-MPK [Trj]

How to remove Mal/Mdrop-LZ?

Mal/Mdrop-LZ 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.

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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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