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ccleaner 4.01.4093.exe

OCSClient

ThinkLABs Ltd. & Co. KG

The application ccleaner 4.01.4093.exe by ThinkLABs & Co. KG 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 Chip Digital OCSClient installer. The installer is marketed through download protals and search ads as the free Piriform CCleaner but will also install additional software offers which include adware, PUPs and browser toolbars.
Publisher:
ThinkLABs Ltd. & Co. KG  (signed and verified)

Product:
OCSClient

Version:
1.00

MD5:
05e558bb99659a1a06aacc4a09fe004d

SHA-1:
55faf9a7a045aad6bbfd8ad246c3c13910d71ae9

SHA-256:
55c517b710db1799fc7685d5346fabd5564faa27e0b18d7d948d0dd9af623b29

Scanner detections:
1 / 68

Status:
Potentially unwanted

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.

Description:
This is an installer which may bundle legitimate applications with offers for additional 3rd-party applications that may be unwanted by the user. While the installer contains an 'opt-out' feature this is not set be defult and is usually overlooked.

Analysis date:
11/23/2024 12:36:25 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP (M)
17.3.11.1

File size:
598.8 KB (613,216 bytes)

Product version:
1.00

Original file name:
ocsclient.exe

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Chip Digital OCSClient

Language:
English (United States)

Common path:
C:\users\{user}\downloads\004 c\ccleaner 4.01.4093.exe

Digital Signature
Signed by:
ThinkLABs Ltd. & Co. KG

Authority:
Thawte, Inc.

Valid from:
11/19/2012 1:00:00 AM

Valid to:
11/20/2013 12:59:59 AM

Subject:
CN=ThinkLABs Ltd. & Co. KG, O=ThinkLABs Ltd. & Co. KG, L=Pfarrkirchen, S=Bayern, C=DE

Issuer:
CN=Thawte Code Signing CA - G2, O="Thawte, Inc.", C=US

Serial number:
07887F9E890968F4282F5DDADFFE84E7

File PE Metadata
Compilation timestamp:
8/23/2013 4:18:42 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

Entry address:
0x1620

Entry point:
68, 08, F6, 40, 00, E8, EE, FF, FF, FF, 00, 00, 00, 00, 00, 00, 30, 00, 00, 00, 40, 00, 00, 00, 00, 00, 00, 00, D8, 78, 88, F5, 68, 65, 9A, 48, 80, 33, F3, 6E, 04, 65, 2E, 7C, 00, 00, 00, 00, 00, 00, 01, 00, 00, 00, 2D, 43, 30, 30, 30, 2D, 4F, 43, 53, 43, 6C, 69, 65, 6E, 74, 00, 34, 36, 7D, 23, 32, 2E, 00, 00, 00, 00, FF, CC, 31, 00, 03, AC, A5, 67, B8, A6, 67, 27, 47, 9D, 8C, DA, EA, 4C, A4, 91, 4A, 6E, 4D, C8, B2, 17, 5D, 1C, 4E, 83, 66, 4E, D9, 06, 0D, A2, AB, 3A, 4F, AD, 33, 99, 66, CF, 11, B7, 0C, 00...
 
[+]

Developed / compiled with:
Microsoft Visual Basic v5.0

Code size:
96 KB (98,304 bytes)

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