Backdoor:Win32/Simbot (file analysis)

The Backdoor:Win32/Simbot 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 Backdoor:Win32/Simbot virus can do?

• Sample contains Overlay data
• HTTPS urls from behavior.
• CAPE extracted potentially suspicious content
• Unconventionial language used in binary resources: Chinese (Simplified)
• The binary likely contains encrypted or compressed data.
• Authenticode signature is invalid
• Behavioural detection: Injection (Process Hollowing)
• Behavioural detection: Injection (inter-process)
• Attempts to modify proxy settings
• Deletes executed files from disk

How to determine Backdoor:Win32/Simbot?

File Info:
name: 74EF456C447E05166E7C.mlwpath: /opt/CAPEv2/storage/binaries/258cccee86274e0f3d44508330afe74319073fd3257165f4998c77ce3c7fe6f0crc32: FE21D79Bmd5: 74ef456c447e05166e7c66314b68f658sha1: 23eed0a4663edb914d66357eb6664ddb006cfff7sha256: 258cccee86274e0f3d44508330afe74319073fd3257165f4998c77ce3c7fe6f0sha512: 89d28bf64a770769efa31872e74dde9b6c277ec2f34ea89c68ca2872501f029c1006b014f5f1e8e97d7780740f04d14bdf923dcf2a26ae4ee8d304ffc1ad55a3ssdeep: 384:rN3mWZ1t1CIymdffvSM5Pev7pDvrMB1P5byFdd78o8gh0TZIn:rNnntymdffp5u76B9t0dh8Hgh0tIntype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T127D2B0027BFA25BAE9FF9B305F3316B256B83C504F33CD2F0B532256055AD40A421A0Asha3_384: 758026cfeb8b448bdbcaa06e49918c9d03c5de78c8f54290246359b453426910433be335c459d653f294d0f29c9e8635ep_bytes: 558bec6aff6880204000685018400064timestamp: 2012-02-10 01:33:04
Version Info:
CompanyName: Adobe Systems, Inc.FileDescription: Adobe? Flash? Player10.1 r53FileVersion: 10,1,53,64InternalName: Adobe? Flash? Player 10.1LegalCopyright: Copyright ? 1996-2010 Adobe, Inc.LegalTrademarks: Adobe? Flash? PlayerOriginalFilename: FlashUtil.exeProductName: Flash? PlayerProductVersion: 10,1,53,64Translation: 0x0409 0x04b0

Backdoor:Win32/Simbot also known as:

How to remove Backdoor:Win32/Simbot?

• 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.