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pcmastersetup_6.1.9.0.exe

Qingdao Ruanmei Network Technology Co.,Ltd.

The application pcmastersetup_6.1.9.0.exe by Qingdao Ruanmei Network Technology Co.,Ltd has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. 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 and multiple other hosts.
Publisher:
Qingdao Ruanmei Network Technology Co.,Ltd.  (signed and verified)

MD5:

SHA-1:
cec443ba6b1e437c27635ed8dd679131cc0abf79

SHA-256:
a8d215c93c3b491ffd28f79afb794d289ec18ddb4121470614812f707dbd4242

Scanner detections:
1 / 68

Status:
Adware

Note:
Our current pool of anti-malware engines have not currently detected this file, however based on our own detection heuristics we feel that this file is unwanted.

Analysis date:
11/5/2024 10:44:03 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.QingdaoR.Installer (M)
16.6.13.2

File size:
12 MB (12,627,560 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

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

Authority:
VeriSign, Inc.

Valid from:
3/13/2016 8:00:00 AM

Valid to:
8/27/2017 7:59:59 AM

Subject:
CN="Qingdao Ruanmei Network Technology Co.,Ltd.", OU=IT, 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:
50284BE9AB1A229C8F2C9FDD7B7E4AE4

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):
196608:4de5Vr9AEofudl7pfG487mGqLttsLR+njTDOL1q1x2OS+p4UIHQoS:we5Vr9Vl7VN8qGGW+njw1quOB4ZHQoS

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:
7.9995

Packer / compiler:
Nullsoft install system v2.x

Code size:
28 KB (28,672 bytes)

Access Provider
Name:
MartaExtension


The file pcmastersetup_6.1.9.0.exe has been seen being distributed by the following 2 URLs.

http://down.ruanmei.com/tweakcube/.../pcmastersetup_u92.exe

http://w.x.baidu.com/alading/.../11664

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