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pcmastersetup_u8.exe

Qingdao Ruanmei Network Technology Co.,Ltd.

The application pcmastersetup_u8.exe by Qingdao Ruanmei Network Technology Co.,Ltd has been detected as adware by 4 anti-malware scanners. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. The file has been seen being downloaded from down.ruanmei.com.
Publisher:
Qingdao Ruanmei Network Technology Co.,Ltd.  (signed and verified)

MD5:
0a237b244a5959eb0d9499996f349d3e

SHA-1:
fb2caa432311594d665fafee0a05a64d227a01ce

SHA-256:
1a04375ee4e2a97140309e5e82b66c1f4d500533b7a0109e666cfbddc04ccd59

Scanner detections:
4 / 68

Status:
Adware

Analysis date:
12/28/2024 2:54:40 PM UTC  (today)

Scan engine
Detection
Engine version

McAfee
Artemis!0A237B244A59
5600.7093

Reason Heuristics
PUP.Installer.QingdaoRuanmeiNetworkTechnologyCoLtd.Q
14.6.21.8

Rising Antivirus
PE:Trojan.Win32.Generic.1293B169!311669097
23.00.65.14619

Trend Micro House Call
TROJ_GEN.F47V0527
7.2.172

File size:
11.5 MB (12,045,712 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\downloads\pcmastersetup_u8.exe

Digital Signature
Signed by:
Qingdao Ruanmei Network Technology Co.,Ltd.

Authority:
VeriSign, Inc.

Valid from:
2/2/2012 8:00:00 AM

Valid to:
7/16/2014 7:59:59 AM

Subject:
CN="Qingdao Ruanmei Network Technology Co.,Ltd.", OU=Digital ID Class 3 - Microsoft Software Validation v2, O="Qingdao Ruanmei Network Technology Co.,Ltd.", L=Qingdao, S="Shandong ", C=CN

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
763A3A6BF860143D8D4ECAC660601BDC

File PE Metadata
Compilation timestamp:
9/26/2011 9:21:33 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
196608:V4lWyhwGIXmmhiyHGjFjH+oYMFJgj4LNyfO/UOaYOmzYSVv+V6cRn42GL:V4lWyhLIXFM5+v+UfYOyYA+QcV422

Entry address:
0x39E3

Entry point:
81, EC, D4, 02, 00, 00, 53, 55, 56, 57, 6A, 20, 33, ED, 5E, 89, 6C, 24, 18, C7, 44, 24, 10, D8, 91, 40, 00, 89, 6C, 24, 14, FF, 15, 30, 80, 40, 00, 68, 01, 80, 00, 00, FF, 15, B8, 80, 40, 00, 55, FF, 15, C0, 82, 40, 00, 6A, 08, A3, B8, 2E, 47, 00, E8, 37, 2A, 00, 00, 55, 68, B4, 02, 00, 00, A3, D0, 2D, 47, 00, 8D, 44, 24, 38, 50, 55, 68, 1C, 93, 40, 00, FF, 15, 84, 81, 40, 00, 68, 04, 93, 40, 00, 68, C0, AD, 46, 00, E8, 19, 27, 00, 00, FF, 15, B4, 80, 40, 00, 50, BF, A0, 30, 4C, 00, 57, E8, 07, 27, 00, 00...
 
[+]

Entropy:
7.9992

Packer / compiler:
Nullsoft install system v2.x

Code size:
28 KB (28,672 bytes)

The file pcmastersetup_u8.exe has been seen being distributed by the following URL.

http://down.ruanmei.com/tweakcube/.../pcmastersetup_u8.exe

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