Malware

Win32/Kryptik.FEWH information

Malware Removal

The Win32/Kryptik.FEWH 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/Kryptik.FEWH virus can do?

  • Executable code extraction
  • Attempts to connect to a dead IP:Port (4 unique times)
  • Enumerates user accounts on the system
  • Creates RWX memory
  • A process attempted to delay the analysis task.
  • At least one IP Address, Domain, or File Name was found in a crypto call
  • Reads data out of its own binary image
  • Drops a binary and executes it
  • HTTP traffic contains suspicious features which may be indicative of malware related traffic
  • Creates an excessive number of UDP connection attempts to external IP addresses
  • Performs some HTTP requests
  • Unconventionial binary language: Russian
  • Unconventionial language used in binary resources: Russian
  • The binary likely contains encrypted or compressed data.
  • Uses Windows utilities for basic functionality
  • Deletes its original binary from disk
  • Attempts to repeatedly call a single API many times in order to delay analysis time
  • Exhibits behavior characteristic of Cerber ransomware
  • Creates or sets a registry key to a long series of bytes, possibly to store a binary or malware config
  • Mimics the file times of a Windows system file
  • Installs itself for autorun at Windows startup
  • Creates a hidden or system file
  • Attempts to identify installed AV products by installation directory
  • Creates a copy of itself
  • Anomalous binary characteristics
  • Uses suspicious command line tools or Windows utilities

Related domains:

ip-api.com

How to determine Win32/Kryptik.FEWH?


File Info:

crc32: 820B4E1E
md5: b15db9b3cadf9d7165cc960bf9bbf7d7
name: B15DB9B3CADF9D7165CC960BF9BBF7D7.mlw
sha1: 0c6f30d4d8bfa0bb1bf378fa2fa51594fd94e194
sha256: cc72fb118efafcb42faf4c6a809a7a3b1fcab0029026fc588ac4efa5a1368412
sha512: 8fd02954a8fe213c5e36bffaee24258edae2f6c3c275877326112ad78d7a0793a433b07bc56e80c74ba78349eb0b11910504a45f08ccf1c038a66a37060065ed
ssdeep: 3072:TIMBdo6B47gdgugsvbeVhpboGdl2UJNkCIk+uN9eHQVr9lC/2QP6qO:l35B+gdBvb8SCl2UDk8+uXeHYQJu
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright 2008-2011 x41ex41ex41e x42fx43dx434x435x43ax441
CompanyName: x41ex41ex41e x42fx43dx434x435x43a x441
Comments: x412x44bx433x440x443x437x447x438x43a Punto Switcher
ProductName: Punto Switcher
ProductVersion: 3.2.3.51
FileDescription: x412x44bx433x440x443x437x447x438x43a Punto Switcher
Translation: 0x0419 0x04b0

Win32/Kryptik.FEWH also known as:

BkavW32.AIDetect.malware1
K7AntiVirusTrojan ( 005224381 )
Elasticmalicious (high confidence)
DrWebTrojan.Encoder.18399
CynetMalicious (score: 100)
CAT-QuickHealRansom.Cerber.G4
ALYacTrojan.Ransom.Cerber.1
CylanceUnsafe
ZillyaTrojan.Menti.Win32.50520
SangforRansom.Win32.Cerber_63.se
CrowdStrikewin/malicious_confidence_100% (D)
K7GWTrojan ( 004f6c211 )
Cybereasonmalicious.3cadf9
BaiduWin32.Trojan.Kryptik.anp
CyrenW32/S-3e1d46f2!Eldorado
SymantecPacked.Generic.459
ESET-NOD32a variant of Win32/Kryptik.FEWH
APEXMalicious
AvastWin32:Malware-gen
ClamAVWin.Ransomware.Cerber-6911261-0
KasperskyTrojan.Win32.Menti.gen
BitDefenderTrojan.Ransom.Cerber.1
NANO-AntivirusTrojan.Win32.Menti.evpwtp
MicroWorld-eScanTrojan.Ransom.Cerber.1
TencentMalware.Win32.Gencirc.11494ee5
Ad-AwareTrojan.Ransom.Cerber.1
SophosML/PE-A + Mal/Cerber-B
ComodoTrojWare.Win32.Kryptik.ERJ@6l0vie
BitDefenderThetaGen:NN.ZexaF.34686.xq1@aOrzRhhk
VIPRETrojan.Win32.Generic!BT
TrendMicroRansom_HPCERBER.SM3
McAfee-GW-EditionGenericRXAG-OK!B15DB9B3CADF
FireEyeGeneric.mg.b15db9b3cadf9d71
EmsisoftTrojan.Ransom.Cerber.1 (B)
SentinelOneStatic AI – Malicious PE
AviraHEUR/AGEN.1121405
eGambitUnsafe.AI_Score_95%
MicrosoftRansom:Win32/Cerber
ArcabitTrojan.Ransom.Cerber.1
AegisLabTrojan.Win32.Generic.4!c
ZoneAlarmTrojan.Win32.Menti.gen
GDataTrojan.Ransom.Cerber.1
AhnLab-V3Win-Trojan/Cerber.Gen
Acronissuspicious
McAfeeGenericRXAG-OK!B15DB9B3CADF
MAXmalware (ai score=100)
VBA32BScope.Trojan.Encoder
MalwarebytesMalware.AI.698898348
PandaTrj/GdSda.A
TrendMicro-HouseCallRansom_HPCERBER.SM3
RisingRansom.Cerber!8.3058 (CLOUD)
YandexTrojan.GenAsa!0eRAOjiTJ6A
IkarusTrojan.Win32.Filecoder
FortinetW32/Kryptik.HJJV!tr
AVGWin32:Malware-gen
Paloaltogeneric.ml

How to remove Win32/Kryptik.FEWH?

Win32/Kryptik.FEWH 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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