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yuyuset_26_151397.exe

Beijing YuJinCheng Technology Co., Ltd.

The application yuyuset_26_151397.exe by Beijing YuJinCheng Technology Co. 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.jinyuantg.com and multiple other hosts.
Publisher:
Beijing YuJinCheng Technology Co., Ltd.  (signed and verified)

MD5:
2951da22b9af9dd99b6ba736cc2c5112

SHA-1:
ae8aed1fc20d1b4835b16060d14b240c933838be

SHA-256:
67ee5488e39f35b8ffd9b73acd09028917fb5231115b1bff868af984bef41eae

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 7:32:26 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.BeijingYuJinChengTechnologyCo.Installer (M)
16.1.28.20

File size:
1.3 MB (1,333,384 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\downloads\yuyuset_26_151397.exe

Digital Signature
Signed by:
Beijing YuJinCheng Technology Co., Ltd.

Authority:
VeriSign, Inc.

Valid from:
7/26/2013 8:00:00 AM

Valid to:
7/27/2014 7:59:59 AM

Subject:
CN="Beijing YuJinCheng Technology Co., Ltd.", OU=Digital ID Class 3 - Microsoft Software Validation v2, O="Beijing YuJinCheng Technology Co., Ltd.", L=Beijing, S=Beijing, 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:
733DD1F54CECC5BDAEF46648CD16CEBA

File PE Metadata
Compilation timestamp:
12/3/2011 12:33:15 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
7.10

CTPH (ssdeep):
24576:tDHHFvZzQ6DL9t9YQ7sePp+7Ty/ZFHIlfQYOtnZo6qeQEp:dxe6X6eP87lCKHy

Entry address:
0x3EDC

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 30, B1, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 90, 40, 00, 68, 01, 80, 00, 00, FF, 15, B8, 90, 40, 00, 53, FF, 15, 90, 92, 40, 00, 6A, 08, A3, B8, 5F, 42, 00, E8, C0, 3E, 00, 00, A3, 04, 5F, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 90, 18, 42, 00, FF, 15, 6C, 91, 40, 00, 68, B8, B1, 40, 00, 68, 00, 57, 42, 00, E8, 73, 3B, 00, 00, FF, 15, B4, 90, 40, 00, BF, 00, B0, 42, 00, 50, 57, E8, 61, 3B, 00, 00...
 
[+]

Entropy:
7.9843

Packer / compiler:
Nullsoft install system v2.x

Code size:
29 KB (29,696 bytes)

The file yuyuset_26_151397.exe has been seen being distributed by the following 2 URLs.

http://down.jinyuantg.com/Se_77_88.exe

http://url7.me/wMPH1

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