PowerShell/Rozena.AF information

The PowerShell/Rozena.AF 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.

What PowerShell/Rozena.AF virus can do?

• SetUnhandledExceptionFilter detected (possible anti-debug)
• Behavioural detection: Executable code extraction – unpacking
• Creates RWX memory
• Guard pages use detected – possible anti-debugging.
• Dynamic (imported) function loading detected
• CAPE extracted potentially suspicious content
• Executed a very long command line or script command which may be indicative of chained commands or obfuscation
• The binary contains an unknown PE section name indicative of packing
• The binary likely contains encrypted or compressed data.
• The executable is compressed using UPX
• Authenticode signature is invalid
• A scripting utility was executed
• Uses Windows utilities for basic functionality
• Collects and encrypts information about the computer likely to send to C2 server
• Creates a hidden or system file
• A script or command line contains a long continuous string indicative of obfuscation
• Attempts to execute suspicious powershell command arguments

How to determine PowerShell/Rozena.AF?

File Info:
name: 33C796F0579CB851AF80.mlwpath: /opt/CAPEv2/storage/binaries/df3ae68f39a23e9360d3bbb2333b2972d6dadfd397e8f22c0d517783b279cc16crc32: A452D9CCmd5: 33c796f0579cb851af80a688177c6c39sha1: 42894e23fc19fa1fa8136f52386dcc25cf00564dsha256: df3ae68f39a23e9360d3bbb2333b2972d6dadfd397e8f22c0d517783b279cc16sha512: f395f3b9bb61ecc59bcc6c1d4869b092e5d733005eceb412b34e8cd6bd48f6d480b353a4160398fbe06e96064cdeff3ba6f98cfa459d836c63d224ba6206fbfcssdeep: 768:JM/wzw8zBldNDVUfiWJqTBCMQlYNwv280MFu1APadZKMdVnbcuyD7Uu:QMXLDV6QCMkYa+DMFu1AyXNVnouy8type: PE32 executable (console) Intel 80386, for MS Windowstlsh: T11C03F1A5F0C79299C03A03BF9DAE07965328823FC5D5173A6AD1C477D514FBDAC28B82sha3_384: df773f410fad04159d7f655cf2c3fae73368b596375073c256c01a2146cf7c26c660d9fe789cf62784ae1bb8f21e92e3ep_bytes: 60be15e040008dbeeb2fffff5789e58dtimestamp: 2016-05-27 14:05:09
Version Info:
0: [No Data]

PowerShell/Rozena.AF also known as:

How to remove PowerShell/Rozena.AF?

• 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.