UDS:Trojan.Win32.Cryprar removal guide

The UDS:Trojan.Win32.Cryprar 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 UDS:Trojan.Win32.Cryprar virus can do?

• Executable code extraction
• Injection (inter-process)
• Injection (Process Hollowing)
• Creates RWX memory
• Possible date expiration check, exits too soon after checking local time
• A process attempted to delay the analysis task.
• Attempts to connect to a dead IP:Port (20 unique times)
• At least one IP Address, Domain, or File Name was found in a crypto call
• A named pipe was used for inter-process communication
• Starts servers listening on 127.0.0.1:0
• Expresses interest in specific running processes
• Reads data out of its own binary image
• A process created a hidden window
• Drops a binary and executes it
• HTTP traffic contains suspicious features which may be indicative of malware related traffic
• Performs some HTTP requests
• Looks up the external IP address
• Executed a very long command line or script command which may be indicative of chained commands or obfuscation
• A scripting utility was executed
• Uses Windows utilities for basic functionality
• Detects Sandboxie through the presence of a library
• Detects Avast Antivirus through the presence of a library
• Executed a process and injected code into it, probably while unpacking
• 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
• Steals private information from local Internet browsers
• Network activity contains more than one unique useragent.
• Exhibits behavior characteristic of Nymaim malware
• The following process appear to have been packed with Themida: LyWPn_0Z3HkVMYbj2Z7GDp9b.exe, 210921.exe, 9vDVklmulXLDhFcVBhIMJrI3.exe, WiIOt8JTfH8ES8OpybEcVadL.exe, hNAT9ZXBdqaNCcaeZZnUYlZy.exe, 81622992137.exe, PgjF3iR5L5xdYfb9yQeuueiR.exe, EM3MqJfRifUdSqjXzugsm6Pc.exe, Vzn8DxuouhrXhEhNHQhLqeYc.exe
• Installs itself for autorun at Windows startup
• Exhibits possible ransomware file modification behavior
• Writes a potential ransom message to disk
• Creates a hidden or system file
• Likely virus infection of existing system binary
• Attempts to identify installed AV products by installation directory
• Checks the version of Bios, possibly for anti-virtualization
• Checks the CPU name from registry, possibly for anti-virtualization
• Detects VirtualBox through the presence of a registry key
• Attempts to disable Windows Defender
• Attempts to create or modify system certificates
• Collects information to fingerprint the system
• Anomalous binary characteristics
• Uses suspicious command line tools or Windows utilities

Related domains:

How to determine UDS:Trojan.Win32.Cryprar?

File Info:
crc32: A501ABB8
md5: f7cf8f9694e81ee7d8af08ebb8324bc0
name: F7CF8F9694E81EE7D8AF08EBB8324BC0.mlw
sha1: 28183d4304bc8257b9e3bf922c2d684075bdf552
sha256: 84b57d3d7fdabaebcd85cf01dbf14b9cb94e08fe081abcb60b218c1298c55995
sha512: 402fb16fb00cce4146bb7720317b7040d9987fb80b1beeda95e47158f8652fa6da70eb10b99ec64ebd49db3942fad0dcd349f6b3bbe1bce8178e730a13083e22
ssdeep: 98304:yS5fZUuj+AvPY/K21P8l8dUf83HeXRM9fkF218HKMKjwMG/RHDGfF5ww:ySnGHi21PSaUf838M9fkFkwMWVGfF5ww
type: PE32 executable (GUI) Intel 80386, for MS Windows, Nullsoft Installer self-extracting archive

Version Info:
0: [No Data]

UDS:Trojan.Win32.Cryprar also known as:

How to remove UDS:Trojan.Win32.Cryprar?

• 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.