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libreoffice_tsv4g3f6m.exe

Palo Alto Technologies

The application libreoffice_tsv4g3f6m.exe by Palo Alto Technologies 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 Perion Download Manager installer. The file has been seen being downloaded from rss2search.com.
Publisher:
Palo Alto Technologies  (signed and verified)

MD5:
f83aa4a660cc0df40c74962aeead0019

SHA-1:
a3e0202ae88f6885f7d123cff9158a9de8dd7bfc

SHA-256:
d3bd4700fa790869e83ab2cfd816f0ee749265851cf026293cd98a07e736c343

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 'download manager' is also considered bundleware, a utility designed to download software (possibly legitimate or opensource) and bundle it with a number of optional offers including ad-supported utilities, toolbars, shopping comparison tools and browser extensions.

Analysis date:
4/25/2024 10:10:30 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Perion Partner.PaloAltoTechnologies.Bundler (M)
15.11.12.0

File size:
714.2 KB (731,376 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Perion Download Manager (using Nullsoft Install System)

Common path:
C:\users\{user}\downloads\libreoffice_tsv4g3f6m.exe

Digital Signature
Signed by:
Palo Alto Technologies

Authority:
Thawte, Inc.

Valid from:
8/7/2014 3:00:00 AM

Valid to:
8/8/2015 2:59:59 AM

Subject:
CN=Palo Alto Technologies, O=Palo Alto Technologies, L=Belize City, S=Belize, C=BZ

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

Serial number:
0FDF18920EC451B5148D1CCD7E8F1A6B

File PE Metadata
Compilation timestamp:
2/24/2012 10:19:59 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
12288:3EaufZUaazwdWIdiLBiYYnS5l65wWxPuj/Tfdg5dYazmmKwQnk+h2go/kbIRo4k:3FaZUm8EiLhQpkj/TfmrjmmKflh2kbZ

Entry address:
0x39E3

Entry point:
81, EC, D4, 02, 00, 00, 53, 55, 56, 57, 6A, 20, 33, ED, 5E, 89, 6C, 24, 18, C7, 44, 24, 10, D8, 91, 40, 00, 89, 6C, 24, 14, FF, 15, 30, 80, 40, 00, 68, 01, 80, 00, 00, FF, 15, B8, 80, 40, 00, 55, FF, 15, C0, 82, 40, 00, 6A, 08, A3, B8, 2E, 47, 00, E8, 37, 2A, 00, 00, 55, 68, B4, 02, 00, 00, A3, D0, 2D, 47, 00, 8D, 44, 24, 38, 50, 55, 68, 1C, 93, 40, 00, FF, 15, 84, 81, 40, 00, 68, 04, 93, 40, 00, 68, C0, AD, 46, 00, E8, 19, 27, 00, 00, FF, 15, B4, 80, 40, 00, 50, BF, A0, 30, 4C, 00, 57, E8, 07, 27, 00, 00...
 
[+]

Entropy:
7.9662

Packer / compiler:
Nullsoft install system v2.x

Code size:
28 KB (28,672 bytes)

The file libreoffice_tsv4g3f6m.exe has been seen being distributed by the following URL.

http://rss2search.com/protect/ignore2.php?match=d.bondemand-about.com/&site=http://.../Default.ashx?bundleid=505ff4c6-43fc-4077-b8c9-4f2237067511&PUID=1523567163111391250&PPD=search,60996741299,libreoffice,p,,c,0,,,&CID=11379&FID=CJCbmrfficMCFSho7AodzDkApw&InstallSessionID=152356716311139125015310442?bundleid=505ff4c6-43fc-4077-b8c9-4f2237067511

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