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apco.exe

Active PC Optimizer 1.0

WeiSiTianYu Software Develop Service Center

The application apco.exe, “Active PC Optimizer ” by WeiSiTianYu Software Develop Service Center has been detected as a potentially unwanted program by 3 anti-malware scanners. The program is a setup application that uses the Inno Setup installer. The file has been seen being downloaded from ccleaner.download-reviewer.com.
Publisher:
Weskysoft Inc.   (signed by WeiSiTianYu Software Develop Service Center)

Product:
Active PC Optimizer 1.0

Description:
Active PC Optimizer

Version:
1.0

MD5:
38edf32259df4659cb4b58c78795f29c

SHA-1:
69bbcf51b5f5c854b5c02d820d2810b4cb8abf37

SHA-256:
9d81ca76563642b83ee77c25d132a0b573d6abd5b1bf3d2f9862b07c34640f7a

Scanner detections:
3 / 68

Status:
Potentially unwanted

Analysis date:
11/25/2024 6:54:55 AM UTC  (today)

Scan engine
Detection
Engine version

ESET NOD32
Win32/Adware.RegistryMum (variant)
8.10056

Qihoo 360 Security
Win32/Trojan.Adware.37e
1.0.0.1015

Reason Heuristics
PUP.PCOptimizer.Optional.Installer.Meta (L)
16.2.27.18

File size:
4.6 MB (4,844,184 bytes)

Product version:
1.0

Copyright:
2010

File type:
Executable application (Win32 EXE)

Installer:
Inno Setup

Language:
Language Neutral

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

Digital Signature
Signed by:
WeiSiTianYu Software Develop Service Center

Authority:
WoSign, Inc.

Valid from:
7/30/2009 5:00:00 PM

Valid to:
7/31/2010 4:59:59 PM

Subject:
CN=WeiSiTianYu Software Develop Service Center, OU=Class 3 - for Microsoft Authenticode Signing, O=WeiSiTianYu Software Develop Service Center, L=Beijing, S=Beijing, C=CN

Issuer:
CN=WoSign Code Signing Authority, O="WoSign, Inc.", C=US

Serial number:
2BBBFDC500D3B0F2A0BCF6F0BB1D1521

File PE Metadata
Compilation timestamp:
11/14/2009 6:27:49 AM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
98304:RcuUpK51b3ydF0uGAHPzKEGLkQr5RkKJApZ2h0PjoHGpn7QX:RSc7b35OPzKEGLJr5eJpAePjomFq

Entry address:
0x163C4

Entry point:
55, 8B, EC, 83, C4, A4, 53, 56, 57, 33, C0, 89, 45, C4, 89, 45, C0, 89, 45, A4, 89, 45, D0, 89, 45, C8, 89, 45, CC, 89, 45, D4, 89, 45, D8, 89, 45, EC, B8, E8, 54, 41, 00, E8, 70, 04, FF, FF, 33, C0, 55, 68, 91, 6A, 41, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, 4D, 6A, 41, 00, 64, FF, 32, 64, 89, 22, A1, 48, AB, 41, 00, E8, 3A, EF, FF, FF, E8, 45, EA, FF, FF, 8D, 55, EC, 33, C0, E8, FB, 87, FF, FF, 8B, 55, EC, B8, A8, D6, 41, 00, E8, A6, EA, FE, FF, 6A, 02, 6A, 00, 6A, 01, 8B, 0D, A8, D6, 41, 00, B2, 01...
 
[+]

Entropy:
7.9914

Developed / compiled with:
Microsoft Visual C++

Code size:
85 KB (87,040 bytes)

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

http://ccleaner.download-reviewer.com/.../ActivePcOptimizer.exe

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