What is “Backdoor:Win32/PcClient.ZR”?

The Backdoor:Win32/PcClient.ZR 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/PcClient.ZR virus can do?

• Executable code extraction
• At least one process apparently crashed during execution
• Attempts to connect to a dead IP:Port (1 unique times)
• Presents an Authenticode digital signature
• Creates RWX memory
• A process attempted to delay the analysis task.
• Drops a binary and executes it
• Unconventionial binary language: Chinese (Simplified)
• Unconventionial language used in binary resources: Chinese (Simplified)
• The binary likely contains encrypted or compressed data.
• Attempts to repeatedly call a single API many times in order to delay analysis time
• Installs itself for autorun at Windows startup
• Checks the CPU name from registry, possibly for anti-virtualization
• Checks the system manufacturer, likely for anti-virtualization
• Creates a copy of itself

Related domains:

How to determine Backdoor:Win32/PcClient.ZR?

File Info:
crc32: E685ECC3
md5: 71a858986dbb088913dba008e9defc56
name: SQLSernsf.exe
sha1: 3092134cde69f46302388ea63a5a6d61561c3676
sha256: 1113bff8d6e99727e0404482860b7fbfe4198196c3bc10876724af5d7af2c4be
sha512: ec0324a076c1bcda84f2aec1480951fa89e0fe1442f182d02fcbe9ffc2d318262768351e9c852c37208d9239caf5ac0cae0a1059dae0432b304a8eaa741f93e1
ssdeep: 6144:9v5zQJVb5p72cHF1ybDFwekh212KhvwIb759QOaBjpaVRPu23E2rJmWjFc94:94VOiF1WD7kE1dTYOi8V5u23zmWFy4
type: MS-DOS executable, MZ for MS-DOS

Version Info:
LegalCopyright: (C) 360.cn All Rights Reserved.
InternalName: LSPFix
FileVersion: 7, 1, 3, 1057
CompanyName: 360.cn
ProductName: 360x5b89x5168x536bx58eb
ProductVersion: 7, 1, 3, 1057
FileDescription: 360x5b89x5168x536bx58eb LSPx4feex590dx6a21x5757
OriginalFilename: LSPFix.EXE
Translation: 0x0804 0x04b0

Backdoor:Win32/PcClient.ZR also known as:

How to remove Backdoor:Win32/PcClient.ZR?

• 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.