Sirefef.124 (B) removal tips

The Sirefef.124 (B) 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 Sirefef.124 (B) virus can do?

• Behavioural detection: Executable code extraction – unpacking
• At least one process apparently crashed during execution
• SetUnhandledExceptionFilter detected (possible anti-debug)
• Yara rule detections observed from a process memory dump/dropped files/CAPE
• Creates RWX memory
• Dynamic (imported) function loading detected
• Reads data out of its own binary image
• CAPE extracted potentially suspicious content
• Drops a binary and executes it
• 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
• Uses Windows utilities for basic functionality
• Deletes its original binary from disk
• Collects and encrypts information about the computer likely to send to C2 server
• Creates a hidden or system file
• Collects information to fingerprint the system

How to determine Sirefef.124 (B)?

File Info:
name: 77274D5D7878ED64A1D6.mlwpath: /opt/CAPEv2/storage/binaries/cd0dba4e2f4671bad6471b793d4ee89e5e2b8e73b205ce3788297a814233389bcrc32: A7CC5D42md5: 77274d5d7878ed64a1d6c50191bd0544sha1: e815b810f67a9fcbdd9e91f82b19d70c8837c65fsha256: cd0dba4e2f4671bad6471b793d4ee89e5e2b8e73b205ce3788297a814233389bsha512: 4e83e4bab05f31b7676e4e66d1ef3ac21625c5124d2a85ef214f32e8480d2bca3ab07f9a5d7e3408d00391af1619e02ea70a97e433b2947f062962d531be55ebssdeep: 6144:U3kKvOdv7zMm9gLOk9nnha7oe9D2xnY4VByfXnlEFECJIoRQS:snvO1XMm9h0FyWY4V+XAPRQStype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1E544235882F4ECC5E80E0A30AD628F67B26001B5E173363F9559386E5FCEAF7049D987sha3_384: 393b69f6f56832ecefd452fabf4c6cce8bb9db57d8ca176a3d790aa7ea657f56b84e3d1ae2d0c6b2b622be185133b693ep_bytes: 60be008073008dbe0090ccff5789e58dtimestamp: 2011-05-03 08:45:15
Version Info:
CompanyName: U*q>a)InternalName: GaqicLegalTrademarks: Edaso Ebovuga Tesoju Pipi Oxulaj Yle Max PehadOriginalFilename: Unpe2cdhkybf.exeProductVersion: 6, 1Translation: 0x0409 0x04b0

Sirefef.124 (B) also known as:

How to remove Sirefef.124 (B)?

• 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.