pcmastersetup_u85.exe

Qingdao Ruanmei Network Technology Co.,Ltd.

The application pcmastersetup_u85.exe by Qingdao Ruanmei Network Technology Co.,Ltd has been detected as adware by 8 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:

MD5:
a3aaa4fc8b70a82db237ef9e2ce9904e

SHA-1:
2b832e862d861ca69f054ee3421c2c2be0b731f7

Scanner detections:
8 / 68

Status:
Adware

Analysis date:
11/5/2024 10:38:59 AM UTC  (today)

Scan engine
Detection
Engine version

Bkav FE
W32.HfsAdware
1.3.0.7383

Dr.Web
DLOADER.Trojan
9.0.1.0337

ESET NOD32
Win32/MyDesk.A potentially unwanted
9.12631

Fortinet FortiGate
Riskware/MyDesk
12/3/2015

IKARUS anti.virus
Virus.Win32.Sality
t3scan.1.9.5.0

Reason Heuristics
PUP.QingdaoRuanmeiNetworkTechnology.Installer (M)
15.12.3.18

Vba32 AntiVirus
suspected of Trojan.Downloader.gen.h
3.12.26.4

Zillya! Antivirus
Downloader.Agent.Win32.281665
2.0.0.2534

File size:
12.2 MB (12,783,968 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\Documents and Settings\{user}\My documents\downloads\pcmastersetup_u85.exe

Digital Signature
Authority:
VeriSign, Inc.

Valid from:
7/25/2014 8:00:00 AM

Valid to:
8/24/2017 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:
41E4F3478CEB8F3B8B87E0AB04A7ACCF

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):
393216:WK3+MY0sIewwmY9LwBoZpDUTMDFTC2SD+7:8ldIEmPoZjTCDk

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)

The file pcmastersetup_u85.exe has been seen being distributed by the following URL.

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