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windows7mastersetup_1.80.exe

Qingdao Ruanmei Network Technology Co.,Ltd.

The application windows7mastersetup_1.80.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.
Publisher:
Qingdao Ruanmei Network Technology Co.,Ltd.  (signed and verified)

MD5:
06bc0c45b8ab5b2f9cebf37f31129769

SHA-1:
ef0613c89008fa5abdfd7bc5d15fd919003a156c

SHA-256:
7fbf06f391bc51474d47c7e6e5dca801e91ed71d08aa34b392bbc7e5bb788d51

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:
4/25/2024 7:46:05 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Installer.QingdaoRuanmeiNetworkTechnologyCoLtd.X
14.3.6.16

File size:
5.9 MB (6,177,456 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:
6/16/2011 8:00:00 AM

Valid to:
6/16/2014 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:
6E1C43A41D4DDC805A8561C69CEDA182

File PE Metadata
Compilation timestamp:
12/6/2009 6:50:46 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
98304:W8eau8wA08N2auO4vGlb7LSQ0rG+QZV4tuu/atNFKAy6lBqT8ZKzFz:Vu8fN2aL4OlbvVZV4txWKz8BgnzR

Entry address:
0x323C

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 30, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B4, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 58, 3F, 42, 00, E8, 09, 2C, 00, 00, A3, A4, 3E, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 58, F4, 41, 00, FF, 15, 58, 71, 40, 00, 68, B8, 91, 40, 00, 68, A0, 36, 42, 00, E8, BC, 28, 00, 00, FF, 15, B0, 70, 40, 00, BF, 00, 90, 42, 00, 50, 57, E8, AA, 28, 00, 00...
 
[+]

Entropy:
7.9979

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

The file windows7mastersetup_1.80.exe has been seen being distributed by the following URL.

http://down.ruanmei.com/.../windows7mastersetup_1.80.exe

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