Categories: Ransom

What is “Ransom:Win32/CryptoLemPiz.A”?

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

  • Executable code extraction
  • Injection (inter-process)
  • Injection (Process Hollowing)
  • Creates RWX memory
  • Reads data out of its own binary image
  • A process created a hidden window
  • HTTP traffic contains suspicious features which may be indicative of malware related traffic
  • Performs some HTTP requests
  • Unconventionial language used in binary resources: Czech
  • Uses Windows utilities for basic functionality
  • Attempts to delete volume shadow copies
  • Executed a process and injected code into it, probably while unpacking
  • Attempts to repeatedly call a single API many times in order to delay analysis time
  • Modifies boot configuration settings
  • Behavior consistent with a dropper attempting to download the next stage.
  • Installs itself for autorun at Windows startup
  • Exhibits possible ransomware file modification behavior
  • Creates a hidden or system file
  • Attempts to modify proxy settings
  • Anomalous binary characteristics
  • Uses suspicious command line tools or Windows utilities

Related domains:

ckpcontur.com
vovikputin.com
protonred.com

How to determine Ransom:Win32/CryptoLemPiz.A?


File Info:

crc32: 48FCD526md5: ef16a975b19ef4e40a57b2d266d2af60name: EF16A975B19EF4E40A57B2D266D2AF60.mlwsha1: 3627ae99ceafe67f96a87f58ef86d7115f17365fsha256: f89ba794c57591460ed283807ad0908cfe90738eb51dc80366917788e4e7c20bsha512: eebbdee3f96132567b3a303cb895962fac6e7a17aa34cdba7ce786ccbde4aa0042f14757a8ed04c9e35a6970a8f9e0c9fd172e84fa09e4c3e2f8d019528cab2dssdeep: 3072:ollpozlhx9rrffRuPyTb4Lg1Npxsf+ZI2PVKjPkzP9R7G4p:ozNyf4Lg1N42ZIxgRq4ptype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

Translation: 0x0409 0x04b0LegalCopyright: Copyrights (c) Noctern1 ltd. 2000 - 2017InternalName: pOverHitFileVersion: 1.00.0944CompanyName: Noctern1ProductName: Noctern1ProductVersion: 1.00.0944FileDescription: What Makes A High Performance Organization includes many real-life examplesOriginalFilename: pOverHit.exe

Ransom:Win32/CryptoLemPiz.A also known as:

Bkav W32.AIDetectVM.malware1
Elastic malicious (high confidence)
DrWeb Trojan.DownLoader6.44789
MicroWorld-eScan Gen:Variant.Johnnie.19538
FireEye Generic.mg.ef16a975b19ef4e4
ALYac Trojan.Ransom.Cry36
Cylance Unsafe
VIPRE Trojan.Win32.Generic!BT
Sangfor Malware
K7AntiVirus Trojan ( 005117e11 )
BitDefender Gen:Variant.Johnnie.19538
K7GW Trojan ( 005117e11 )
Cybereason malicious.5b19ef
BitDefenderTheta Gen:NN.ZevbaF.34804.mm3@aqPZprkG
Symantec Ransom.Crysis
TrendMicro-HouseCall BKDR_HPPOISON.SM
Avast Win32:Malware-gen
Kaspersky Trojan-Ransom.Win32.Cryptoff.ab
NANO-Antivirus Trojan.Win32.Cryptoff.eqvghh
Rising Ransom.Cryptoff!8.E62C (CLOUD)
Ad-Aware Gen:Variant.Johnnie.19538
Sophos Mal/Generic-S
Comodo Malware@#2t0q0vshtnlza
F-Secure Heuristic.HEUR/AGEN.1113141
Zillya Trojan.Injector.Win32.538326
TrendMicro BKDR_HPPOISON.SM
McAfee-GW-Edition BehavesLike.Win32.PWSZbot.dc
Emsisoft Gen:Variant.Johnnie.19538 (B)
SentinelOne Static AI – Malicious PE
eGambit Unsafe.AI_Score_99%
Avira HEUR/AGEN.1113141
Antiy-AVL Trojan[Ransom]/Win32.Cryptoff
Microsoft Ransom:Win32/CryptoLemPiz.A
Arcabit Trojan.Johnnie.D4C52
ZoneAlarm Trojan-Ransom.Win32.Cryptoff.ab
GData Win32.Malware.Bucaspys.E
Cynet Malicious (score: 100)
McAfee GenericRXBY-PK!EF16A975B19E
MAX malware (ai score=100)
VBA32 Hoax.Cryptoff
Malwarebytes Malware.AI.4241650172
Panda Trj/CI.A
APEX Malicious
ESET-NOD32 a variant of Win32/Injector.DXUR
Tencent Win32.Trojan.Cryptoff.Alik
Yandex Trojan.GenAsa!AiIinaYdpB4
Ikarus Trojan.Win32.Injector
Fortinet W32/GenKryptik.ANEO!tr
Webroot W32.Malware.Gen
AVG Win32:Malware-gen
Paloalto generic.ml
CrowdStrike win/malicious_confidence_100% (D)
Qihoo-360 Win32/Trojan.Dropper.e9a

How to remove Ransom:Win32/CryptoLemPiz.A?

  • 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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