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yhwig.exe

Baidu (China) Co., Ltd.

The application yhwig.exe by Baidu (China) Co. has been detected as a potentially unwanted program 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 ivy.pconline.com.cn.
Publisher:
Baidu (China) Co., Ltd.  (signed and verified)

MD5:
7cdc939a5a3cff42d80e4942f7c25236

SHA-1:
427d5aed5f7ec1c8407d5ba0e1f78f53ed1c687d

SHA-256:
46eddf423dea4904df07844b23c1da311cacc2a006f0983d2b3ae44a2eebbabc

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
12/26/2024 6:36:10 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Adware.Downloader.BaiduChi.Installer.Meta (M)
16.7.4.21

File size:
1.4 MB (1,495,192 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

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

Digital Signature
Signed by:
Baidu (China) Co., Ltd.

Authority:
GlobalSign nv-sa

Valid from:
2/22/2012 5:18:27 PM

Valid to:
2/22/2015 5:18:27 PM

Subject:
CN="Baidu (China) Co., Ltd.", O="Baidu (China) Co., Ltd.", L=Shanghai, S=Shanghai, C=CN

Issuer:
CN=GlobalSign CodeSigning CA - G2, O=GlobalSign nv-sa, C=BE

Serial number:
1121DF7675AAA08D1B49A83A480F14855D24

File PE Metadata
Compilation timestamp:
2/25/2012 3:19:59 AM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
24576:bCwbPx3Fldan+usSIfACpEMki7x3jVGbvv/7ZrVl8MUf8oymzIhghwHtsXordo7f:3LxVaneSI1kQxmlX88cE+U7VvNacc

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:
7.9809

Packer / compiler:
Nullsoft install system v2.x

Code size:
28 KB (28,672 bytes)

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

http://ivy.pconline.com.cn/.../click?adid=288387&id=pc.xz.rjxz.xinxi.wytjsf.

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