Backdoor:Win32/Simda!pz removal guide

The Backdoor:Win32/Simda!pz 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 Backdoor:Win32/Simda!pz virus can do?

• Behavioural detection: Executable code extraction – unpacking
• Reads data out of its own binary image
• CAPE extracted potentially suspicious content
• The binary contains an unknown PE section name indicative of packing
• The binary likely contains encrypted or compressed data.
• Authenticode signature is invalid
• Behavioural detection: Injection (inter-process)
• Behavioural detection: Injection with CreateRemoteThread in a remote process
• Attempts to repeatedly call a single API many times in order to delay analysis time
• CAPE detected the embedded win api malware family
• Attempts to modify proxy settings
• Touches a file containing cookies, possibly for information gathering
• Anomalous binary characteristics
• Yara detections observed in process dumps, payloads or dropped files

How to determine Backdoor:Win32/Simda!pz?

File Info:
name: F0F608B9D1E350A97087.mlw
path: /opt/CAPEv2/storage/binaries/0ee78e09b1f3a651738b19cc9892a7296863a175bd55cff0892f74673dc41425
crc32: 561386E8
md5: f0f608b9d1e350a97087a8bfaa9762f4
sha1: c151b2cf97499ffb7839b3cc20f4446d3f8396d0
sha256: 0ee78e09b1f3a651738b19cc9892a7296863a175bd55cff0892f74673dc41425
sha512: 1e7d9700b459ea1933413b8cc10657b1e961b86a34fc14d5bb69741be6bf0d476ee52d247e9ea3b0b8ebe378e0036aec524925d55d75701608ea42879d2fc534
ssdeep: 6144:J84R+/nBQojUb4LoaXqMKVjNY4GuKcxwMwulQMEAj+:mhBQ6n/SVqxcxwDunE3
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T11754F1D6EA1B428FC0998C34147F8F1061395F576AF34632A6D07C61BEF72681A368B7
sha3_384: ad25933522b2bc5f551e0b6e2aa9c0748119a8a6ce3e1b02a268582bc7dd4031ad00ca428124c0303ba0b950c5a1cd76
ep_bytes: 558bec83ec24575633f633ff57ff152c
timestamp: 2006-11-21 20:59:40

Version Info:
FileVersion: 1.7.4.6
ProductVersion: 6.6.0.5
FileDescription: coalizer
CompanyName: Razorman
LegalCopyright: Thrushy
ProductName: Petrosiliceous
Translation: 0x0000 0x04b0

Backdoor:Win32/Simda!pz also known as:

How to remove Backdoor:Win32/Simda!pz?

• 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.