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pcmastersetup_5.05.exe

Qingdao Ruanmei Network Technology Co.,Ltd.

The application pcmastersetup_5.05.exe by Qingdao Ruanmei Network Technology Co.,Ltd has been detected as adware by 3 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:
2cd70c82f1e8d4f9cfa121ecd6412a52

SHA-1:
cfaa2525ea9650d1e2ff6ee2ae4f66d026af6752

SHA-256:
844816dcb05c7138a7d23108126687368691fb8378e9a027c7e3e3d466be6873

Scanner detections:
3 / 68

Status:
Adware

Analysis date:
11/5/2024 10:43:51 AM UTC  (today)

Scan engine
Detection
Engine version

Dr.Web
Trojan.Carberp.1395
9.0.1.0103

Reason Heuristics
PUP.Installer.QingdaoRuanmeiNetworkTechnologyCoLtd.R
14.4.13.2

Rising Antivirus
PE:Malware.XPACK/RDM!5.1
23.00.65.14411

File size:
8 MB (8,403,704 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Language:
Chinese (Simplified, PRC)

Common path:
C:\users\{user}\downloads\pcmastersetup_5.05.exe

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

Authority:
VeriSign, Inc.

Valid from:
2/1/2012 7:00:00 PM

Valid to:
7/15/2014 7:59:59 PM

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 AM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
196608:Ix5GxgJUbPbj8TT+hDI5sUQ0t3TISfC8ej3dPNDr8xvGaWIgz+XPf:IxIGJ85S5syscwr/s0aOzEPf

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:
7.9983

Packer / compiler:
Nullsoft install system v2.x

Code size:
28 KB (28,672 bytes)

The file pcmastersetup_5.05.exe has been seen being distributed by the following URL.

http://down.ruanmei.com/.../pcmastersetup_5.05.exe

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