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app2_fr.exe

PC Cleaner Pro

PC Cleaner Inc.

The application app2_fr.exe by PC Cleaner has been detected as a potentially unwanted program by 1 anti-malware scanner with very strong indications that the file is a potential threat. This is a setup program which is used to install the application. The file has been seen being downloaded from www.nchsoftware.com and multiple other hosts.
Publisher:
(c) PC Cleaners Inc  (signed by PC Cleaner Inc.)

Product:
PC Cleaner Pro

Version:
21.0.0.0

MD5:
f53408d2ddaab184b8c27d0955109b97

SHA-1:
b79de4bafeef2fa36474f1f477e7138902a6fa39

SHA-256:
b9d8bbe7f8ee1a5418da75ec7c9bb399a13ebacea1184033aab6b61f4d65b29b

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
12/27/2024 2:33:21 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.PCCleaner.cPCClean.Meta (L)
16.6.10.14

File size:
4.8 MB (5,008,280 bytes)

Product version:
21.0.0.0

Copyright:
(c)2016 PC Cleaners Inc. All rights reserved.

Original file name:
PCInstaller.exe

File type:
Executable application (Win32 EXE)

Language:
English (United States)

Common path:
C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\low\content.ie5\{random}\app2_fr.exe

Digital Signature
Signed by:
PC Cleaner Inc.

Authority:
Symantec Corporation

Valid from:
8/11/2015 2:00:00 AM

Valid to:
8/11/2016 1:59:59 AM

Subject:
CN=PC Cleaner Inc., O=PC Cleaner Inc., L=Laguna Niguel, S=California, C=US

Issuer:
CN=Symantec Class 3 SHA256 Code Signing CA, OU=Symantec Trust Network, O=Symantec Corporation, C=US

Serial number:
3D4B99D267157B4AE7602BBCE79FE9DE

File PE Metadata
Compilation timestamp:
1/27/2016 7:59:32 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
98304:S3aiye6CbYvyndwtfbqgKwgYUxN2mdJf5MHmeKyF8Pquz8iRzw9hbZ2A8l1/8Xe2:ne6pqnSdwkeJfyfLUz8i9w9nUfwecEfa

Entry address:
0x97E180

Entry point:
60, BE, 00, F0, 8B, 00, 8D, BE, 00, 20, B4, FF, 57, EB, 0B, 90, 8A, 06, 46, 88, 07, 47, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 72, ED, B8, 01, 00, 00, 00, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C0, 01, DB, 73, 0B, 75, 28, 8B, 1E, 83, EE, FC, 11, DB, 72, 1F, 48, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C0, EB, D4, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C9, EB, 52, 31, C9, 83, E8, 03, 72, 11, C1, E0, 08, 8A, 06, 46, 83, F0, FF, 74, 75, D1, F8, 89, C5, EB, 0B, 01, DB, 75, 07, 8B...
 
[+]

Packer / compiler:
UPX v0.89.6 - v1.02 / v1.05 -v1.24

Code size:
4.8 MB (4,980,736 bytes)

The file app2_fr.exe has been seen being distributed by the following 6 URLs.

http://www.nchsoftware.com/prism/.../prismpsetup.exe

http://www.pcspeedoptimizer.com/.../download_PCCleanerPro_fr.php

http://www.pccleaner.com/app3_Install_French.exe

http://www.openfilesnow.com/.../download_PCCleanerPro_fr.php

http://www.ouvrirfichiers.com/download_pccleaner.php

http://www.pccleaner.com/app2_fr.exe

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