Categories: Ransom

About “Ransom:Win32/CryptoLemPiz” infection

The Ransom:Win32/CryptoLemPiz 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 Ransom:Win32/CryptoLemPiz virus can do?

  • Possible date expiration check, exits too soon after checking local time
  • A process attempted to delay the analysis task.
  • A process created a hidden window
  • Unconventionial language used in binary resources: Russian
  • The binary likely contains encrypted or compressed data.
  • Uses Windows utilities for basic functionality
  • Detects Sandboxie through the presence of a library
  • Detects SunBelt Sandbox through the presence of a library
  • Detects VirtualBox through the presence of a library
  • Attempts to repeatedly call a single API many times in order to delay analysis time
  • Installs itself for autorun at Windows startup
  • Detects VirtualBox through the presence of a file
  • Anomalous binary characteristics

How to determine Ransom:Win32/CryptoLemPiz?


File Info:

crc32: 24862E6Fmd5: 9bd61c1e5f849cf78647204620b3f4c4name: 9BD61C1E5F849CF78647204620B3F4C4.mlwsha1: bfae221cf5516340d97eed747cc33047e29134f7sha256: 0e65752e52b889864877e729f405c1cff520a8280bdb7ed0c2406f0e81fb2071sha512: cb7eafa2af99f550fb07b6305eb79931044c50dd54b86699e6f6b2c521cdd60e9c61a549a132b4230ac39f857937008b3163d2e2d31bc7282f32d50b4c2a73cdssdeep: 3072:1pn2c9KZqr1xRUDikZlVCxsZl5gtF+5OfSH7WKMo:1pn2cOGqlVCtX87type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Ransom:Win32/CryptoLemPiz also known as:

Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 004f15bb1 )
Elastic malicious (high confidence)
DrWeb Trojan.DownLoader24.45645
Cynet Malicious (score: 100)
ALYac Gen:Variant.Ransom.Nemesis.8
Cylance Unsafe
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Ransom:Win32/Cryptoff.c4d4fb2c
K7GW Trojan ( 004f15bb1 )
Cybereason malicious.e5f849
Cyren W32/Trojan.FZA.gen!Eldorado
Symantec Ransom.Crysis
ESET-NOD32 a variant of Win32/Filecoder.FP
APEX Malicious
Avast Win32:Malware-gen
Kaspersky Trojan-Ransom.Win32.Cryptoff.p
BitDefender Gen:Variant.Ransom.Nemesis.8
NANO-Antivirus Virus.Win32.Gen.ccmw
MicroWorld-eScan Gen:Variant.Ransom.Nemesis.8
Tencent Malware.Win32.Gencirc.114b021a
Ad-Aware Gen:Variant.Ransom.Nemesis.8
Sophos ML/PE-A + Troj/Ransom-EMW
Comodo Malware@#1aw7tmp5fnjvr
BitDefenderTheta AI:Packer.C9393C021F
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom_ONCRYPT.F117DO
McAfee-GW-Edition BehavesLike.Win32.Wabot.cc
FireEye Generic.mg.9bd61c1e5f849cf7
Emsisoft Gen:Variant.Ransom.Nemesis.8 (B)
SentinelOne Static AI – Malicious PE
Webroot W32.Snocry
Avira DR/Delphi.Gen
Microsoft Ransom:Win32/CryptoLemPiz
Arcabit Trojan.Ransom.Nemesis.8
GData Win32.Trojan-Ransom.Nemesis.B
AhnLab-V3 Trojan/Win32.Snocry.C1923609
McAfee GenericRXBJ-HZ!9BD61C1E5F84
MAX malware (ai score=100)
VBA32 BScope.Trojan-Ransom.Snocry
Malwarebytes Ransom.FileLocker
Panda Trj/CI.A
TrendMicro-HouseCall Ransom_ONCRYPT.F117DO
Rising Ransom.Nemesis!1.B867 (CLOUD)
Yandex Trojan.Snocry!yMsisXWtzPc
Ikarus Trojan-Ransom.Nemesis
MaxSecure Trojan-Ransom.Win32.Snocry.daj
Fortinet W32/Filecoder.FP!tr.ransom
AVG Win32:Malware-gen
Paloalto generic.ml
Qihoo-360 Win32/Trojan.Ransom.531

How to remove Ransom:Win32/CryptoLemPiz?

  • 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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