MSIL/Kryptik.TWN removal

The MSIL/Kryptik.TWN 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 MSIL/Kryptik.TWN virus can do?

Executable code extraction
Injection (inter-process)
Injection (Process Hollowing)
Injection with CreateRemoteThread in a remote process
Creates RWX memory
A process attempted to delay the analysis task.
The binary likely contains encrypted or compressed data.
Executed a process and injected code into it, probably while unpacking
Attempts to remove evidence of file being downloaded from the Internet
Sniffs keystrokes
Attempts to repeatedly call a single API many times in order to delay analysis time
Steals private information from local Internet browsers
Installs itself for autorun at Windows startup
Checks the CPU name from registry, possibly for anti-virtualization
Creates a copy of itself
Harvests credentials from local FTP client softwares
Harvests information related to installed mail clients
Attempts to create or modify system certificates
Makes SMTP requests, possibly sending spam or exfiltrating data.
Collects information to fingerprint the system

Related domains:

z.whorecord.xyz

a.tomx.xyz

us2.smtp.mailhostbox.com

How to determine MSIL/Kryptik.TWN?


File Info:
crc32: 6DF93176
md5: 688eeac27cb044e0fcd0c570b252fe0d
name: sunnyz.exe
sha1: d34ac5a96466330ab8a4b3bc2c47b868067c2744
sha256: b19c3595551681f800d91571357b86e048138d6d3b8b54ae607fe55cc876b3af
sha512: c5e8852c716fc3ceb15c95132ab1ad45262fd7d33b623bd38fc0d3a9472c51713f8c314dc70f8dacf88d89349cfcecde0ea43deb952b052b767ca0162d17899f
ssdeep: 12288:BNML1v2ExEdbNGI5BP7jbm2OeR/JyZ1NywEnBYVLNdm:Wv/xYII/7jbm2DQcwGBsD
type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:
Translation: 0x0000 0x04b0
LegalCopyright: Copyright xa9  2019
Assembly Version: 1.1.8.0
InternalName: SimpleSharp.exe
FileVersion: 1.1.8
CompanyName: 
LegalTrademarks: 
Comments: 
ProductName: SimpleSharp
ProductVersion: 1.1.8
FileDescription: SimpleSharp
OriginalFilename: SimpleSharp.exe

MSIL/Kryptik.TWN also known as:

DrWeb	Trojan.PWS.Stealer.27520
FireEye	Generic.mg.688eeac27cb044e0
Cylance	Unsafe
CrowdStrike	win/malicious_confidence_80% (W)
BitDefenderTheta	Gen:NN.ZemsilF.32515.Fm0@auyTqSn
Cyren	W32/Trojan.SW.gen!Eldorado
Symantec	ML.Attribute.HighConfidence
ESET-NOD32	a variant of MSIL/Kryptik.TWN
APEX	Malicious
Kaspersky	HEUR:Trojan-Spy.MSIL.Stealer.gen
Invincea	heuristic
McAfee-GW-Edition	BehavesLike.Win32.Generic.gc
Trapmine	malicious.high.ml.score
Ikarus	Trojan.MSIL.Krypt
F-Prot	W32/Trojan.SW.gen!Eldorado
Webroot	W32.Trojan.Gen
Endgame	malicious (high confidence)
ZoneAlarm	HEUR:Trojan-Spy.MSIL.Stealer.gen
Acronis	suspicious
Malwarebytes	Trojan.MalPack
SentinelOne	DFI – Malicious PE
Cybereason	malicious.964663
Qihoo-360	Win32/Trojan.Spy.67f

How to remove MSIL/Kryptik.TWN?

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.