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w4.exe

Jiajie Yin

The application w4.exe by Jiajie Yin has been detected as adware by 5 anti-malware scanners. It is also typically executed from the user's temporary directory.
Publisher:
baidu  (signed by Jiajie Yin)

Product:
baidu

Version:
1.0.0.0

MD5:
b16d24a526c72390bd46a0c1bc2aa5cb

SHA-1:
fb16e048eca37ced8a065b955b9df3db16fabe16

SHA-256:
fc4567155265f4b2ca7f6b276fd38272b4c610232a41674ecad971e0cb547647

Scanner detections:
5 / 68

Status:
Adware

Analysis date:
4/20/2024 1:27:12 AM UTC  (today)

Scan engine
Detection
Engine version

Dr.Web
Adware.Baidu.5522
9.0.1.0183

ESET NOD32
Win32/HideBaid (variant)
8.10032

Norman
Obfuscated.BQ!genr
11.20140702

Reason Heuristics
PUP.JiajieYin.C
14.7.27.14

VIPRE Antivirus
Trojan.Win32.Generic
30878

File size:
737.8 KB (755,512 bytes)

Product version:
1.0.0.0

File type:
Executable application (Win32 EXE)

Common path:
C:\users\{user}\appdata\local\temp\{random}.tmp\w4.exe

Digital Signature
Signed by:
Jiajie Yin

Authority:
WoSign CA Limited

Valid from:
5/14/2014 4:46:39 PM

Valid to:
5/15/2015 4:46:39 PM

Subject:
CN=Jiajie Yin, E=cpa.baidu@gmail.com, L=桂林市, S=广西壮族自治区, C=CN

Issuer:
CN=WoSign Class 2 Code Signing CA, O=WoSign CA Limited, C=CN

Serial number:
3F13D1662B5F2172EF525E77D131CC4E

File PE Metadata
Compilation timestamp:
5/10/2012 3:34:11 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

CTPH (ssdeep):
12288:4EvK4vimrIaQHnpK+b4yVQD7+UA7+Z2GY1xv6janvDr8UU9YM3v/5aA4RZ1t:4EvpvLUaQH0+ZQDRA73bCjaE9YMAZ1t

Entry address:
0x168CF

Entry point:
55, 8B, EC, 6A, FF, 68, 60, A0, 41, 00, 68, 60, 6A, 41, 00, 64, A1, 00, 00, 00, 00, 50, 64, 89, 25, 00, 00, 00, 00, 83, EC, 68, 53, 56, 57, 89, 65, E8, 33, DB, 89, 5D, FC, 6A, 02, FF, 15, DC, 81, 41, 00, 59, 83, 0D, 24, EB, 41, 00, FF, 83, 0D, 28, EB, 41, 00, FF, FF, 15, E0, 81, 41, 00, 8B, 0D, 04, CB, 41, 00, 89, 08, FF, 15, E4, 81, 41, 00, 8B, 0D, 00, CB, 41, 00, 89, 08, A1, E8, 81, 41, 00, 8B, 00, A3, 20, EB, 41, 00, E8, 1D, 01, 00, 00, 39, 1D, D0, C7, 41, 00, 75, 0C, 68, 58, 6A, 41, 00, FF, 15, EC, 81...
 
[+]

Entropy:
7.8191

Developed / compiled with:
Microsoft Visual C++ v6.0

Code size:
88.5 KB (90,624 bytes)

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