Trojan.Win32.Cryprar.rn (file analysis)

The Trojan.Win32.Cryprar.rn 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 Trojan.Win32.Cryprar.rn virus can do?

• Behavioural detection: Executable code extraction – unpacking
• SetUnhandledExceptionFilter detected (possible anti-debug)
• Scheduled file move on reboot detected
• Executed a command line with /C or /R argument to terminate command shell on completion which can be used to hide execution
• Yara rule detections observed from a process memory dump/dropped files/CAPE
• Creates RWX memory
• Possible date expiration check, exits too soon after checking local time
• NtSetInformationThread: attempt to hide thread from debugger
• Guard pages use detected – possible anti-debugging.
• A process attempted to delay the analysis task.
• Dynamic (imported) function loading detected
• Performs HTTP requests potentially not found in PCAP.
• Enumerates running processes
• Expresses interest in specific running processes
• Reads data out of its own binary image
• A process created a hidden window
• CAPE extracted potentially suspicious content
• Executed a very long command line or script command which may be indicative of chained commands or obfuscation
• Drops a binary and executes it
• Multiple direct IP connections
• DNS query to a paste site or service detected
• The binary contains an unknown PE section name indicative of packing
• Looks up the external IP address
• Authenticode signature is invalid
• A scripting utility was executed
• Uses Windows utilities for basic functionality
• Uses Windows utilities for basic functionality
• Detects Sandboxie through the presence of a library
• Detects Avast Antivirus through the presence of a library
• Behavioural detection: Injection (Process Hollowing)
• Executed a process and injected code into it, probably while unpacking
• Behavioural detection: Injection (inter-process)
• Checks for the presence of known windows from debuggers and forensic tools
• Creates or sets a registry key to a long series of bytes, possibly to store a binary or malware config
• Created a process from a suspicious location
• Steals private information from local Internet browsers
• Network activity contains more than one unique useragent.
• The following process appear to have been packed with Themida: Mon09d9024a8c70cba9.exe, tkools.exe
• Installs itself for autorun at Windows startup
• Installs itself for autorun at Windows startup
• Writes a potential ransom message to disk
• A script process created a new process
• CAPE detected the DLInjector04 malware family
• Attempts to identify installed AV products by installation directory
• Checks the version of Bios, possibly for anti-virtualization
• Checks the presence of disk drives in the registry, possibly for anti-virtualization
• Detects VirtualBox through the presence of a registry key
• Attempts to modify proxy settings
• Appears to use command line obfuscation
• Attempts to disable Windows Defender
• Attempts to modify Windows Defender using PowerShell
• Harvests cookies for information gathering
• Attempts to execute suspicious powershell command arguments
• Collects information to fingerprint the system
• Uses suspicious command line tools or Windows utilities

Related domains:

How to determine Trojan.Win32.Cryprar.rn?

File Info:
name: 0317A5D0F3441D6F8F12.mlw
path: /opt/CAPEv2/storage/binaries/797685411f0df236adfa891079615639fbc38f36aed806a28ca96c6bfbe6b169
crc32: 76F9933D
md5: 0317a5d0f3441d6f8f127dbbc7eaccb8
sha1: 2aa57b841c66964a045dbd72856142af1189e36a
sha256: 797685411f0df236adfa891079615639fbc38f36aed806a28ca96c6bfbe6b169
sha512: 94d6001aced4187592d105e211bd3e166073916349eaf09ed262cdbd16edec48acbd93be1951c966337dcbb6f6221c467103829e2af7792afc05ebd3df137d8d
ssdeep: 393216:xRdgkNzimZxXCQY7yS7/Ridt0J63deHCwn1By:3dgkxiGdYuaIHbwn1By
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1E1E63342F6FA98FFD9087B3A4D5C8B69A8F5055C02B40CC7FB8899AD9F173C14026B95
sha3_384: 26343236be9db92735508716578ac0d1d8735aa5f292cbd83af7cc152aaa80dfe4f0d9c4164c0a20afaf7f6d813a5860
ep_bytes: 558bec6aff6898c24100680691410064
timestamp: 2019-02-21 16:00:00

Version Info:
CompanyName: Igor Pavlov
FileDescription: 7z Setup SFX
FileVersion: 19.00
InternalName: 7zS.sfx
LegalCopyright: Copyright (c) 1999-2018 Igor Pavlov
OriginalFilename: 7zS.sfx.exe
ProductName: 7-Zip
ProductVersion: 19.00
Translation: 0x0409 0x04b0

Trojan.Win32.Cryprar.rn also known as:

How to remove Trojan.Win32.Cryprar.rn?

• 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.