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downloader_for_libreoffice_5.0.3_win_x64.exe

Web

Total PC

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The application downloader_for_libreoffice_5.0.3_win_x64.exe, “Web Setup ” by Total PC has been detected as adware 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 installCore installer. It is also typically executed from the user's temporary directory. The file has been seen being downloaded from www.filefacts.com and multiple other hosts.
Publisher:
Web Internet   (signed by Total PC)

Product:
Web

Description:
Web Setup

MD5:
7052eaed814634391bd0f78d8334cf52

SHA-1:
0683447bd5b04a70c5e0e0c15f9ec985fc6791b7

SHA-256:
3ca8d9770232ac088bf41c9766ebe3521a013aa367baa1087d69d85e13026194

Scanner detections:
1 / 68

Status:
Adware

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:
4/25/2024 9:28:07 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore.TotalPC.Installer (M)
16.1.15.14

File size:
1019.5 KB (1,043,976 bytes)

Product version:
3.0.5

Copyright:
Software

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\temp\downloader_for_libreoffice_5.0.3_win_x64.exe

Digital Signature
Signed by:
Total PC

Authority:
COMODO CA Limited

Valid from:
3/16/2015 9:00:00 PM

Valid to:
3/16/2016 8:59:59 PM

Subject:
CN=Total PC, O=Total PC, STREET=Unit A6 Dundonald Enterprise Park, STREET=Carrowreagh Road, STREET=Dundonald, L=Belfast, S=Antrim, PostalCode=BT161QT, C=GB

Issuer:
CN=COMODO RSA Code Signing CA, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
00B2DF3698915A5B9CA523FD5D2457DB45

File PE Metadata
Compilation timestamp:
6/19/1992 7:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:mhiA/YRDnHyJ9aQDChWCTR/uglGFXi2k1jAPuO:mQVVyJ9a2vCTR/5lgS510r

Entry address:
0x9C40

Entry point:
55, 8B, EC, 83, C4, C4, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, 86, 94, FF, FF, E8, 8D, A6, FF, FF, E8, 1C, A9, FF, FF, E8, 53, C9, FF, FF, E8, 9A, C9, FF, FF, E8, C9, F2, FF, FF, E8, 30, F4, FF, FF, 33, C0, 55, 68, FC, A2, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, C5, A2, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, C0, 40, 00, E8, 96, FE, FF, FF, E8, C9, FA, FF, FF, 8D, 55, F0, 33, C0, E8, 83, CF, FF, FF, 8B, 55, F0, B8, 24, CE, 40, 00, E8, 32, 95, FF, FF, 6A, 02, 6A, 00, 6A, 01, 8B, 0D, 24, CE...
 
[+]

Packer / compiler:
Inno Setup v5.x - Installer Maker

Code size:
37 KB (37,888 bytes)

The file downloader_for_libreoffice_5.0.3_win_x64.exe has been seen being distributed by the following 7 URLs.

http://www.filefacts.com/.../6268?sfadownload=1&psid=254671422

http://www.filefacts.com/.../6268?sfadownload=1&psid=263830755

http://www.filefacts.com/.../6268?sfadownload=1&psid=260504448

http://www.filefacts.com/.../6268?sfadownload=1&psid=255440841

http://www.filefacts.com/.../6268?sfadownload=1&psid=257661738

http://www.filefacts.com/.../6268?sfadownload=1&psid=255398075

http://www.filefacts.com/.../6268?sfadownload=1&psid=252698714

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