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firefox_tsv61v2r9.exe

Perion Network Ltd.

The application firefox_tsv61v2r9.exe by Perion Network 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 Perion Download Manager installer. With this installer, users are expecting to download the free Mozilla Firefox web browser but before that occurs they may be presented with additional offers, mostly potentially unwanted software or adware. It is also typically executed from an Internet Explorer cache folder. The file has been seen being downloaded from dde.de.serverfiles-l-storage.com. While running, it connects to the Internet address ude.databssint.com on port 80 using the HTTP protocol.
Publisher:
Perion Network Ltd.  (signed and verified)

MD5:
b8fb271ff99ba315053d2d36604bca81

SHA-1:
623e465e74ba851d1b31d0609990928ac62b14cb

SHA-256:
eb7d5989388fc2b23597bcceea51b96eeda3edf617395a97bbbd2cb6347ae145

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 also known as bundleware, or downloadware, which is an downloader designed to simply deliver ad-supported offers in the setup routine of an otherwise legitimate software.

Analysis date:
7/10/2025 4:18:56 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Perion.Bundler (M)
16.1.6.8

File size:
620.5 KB (635,440 bytes)

File type:
Executable application (Win32 EXE)

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

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\firefox_tsv61v2r9.exe

Digital Signature
Signed by:
Perion Network Ltd.

Authority:
VeriSign, Inc.

Valid from:
4/23/2012 8:00:00 PM

Valid to:
4/23/2015 7:59:59 PM

Subject:
CN=Perion Network Ltd., OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Perion Network Ltd., L=Tel Aviv, S=Tel Aviv, C=IL

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
45F87694FE8D1984719796AEC8031DF4

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

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
12288:zEu2STojMaOk9Q8meLGw4HLZJUtrzvpihhsnkcF+Tx4d:zB2vPvmeLnICtrQDsnIF4d

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...
 
[+]

Packer / compiler:
Nullsoft install system v2.x

Code size:
28 KB (28,672 bytes)

The file firefox_tsv61v2r9.exe has been seen being distributed by the following URL.

http://dde.de.serverfiles-l-storage.com/34/913/ct9136834/3bf0279d540e44a7bf0c4ddb5c8f277a/Downloads/Prod/DDE1.4.0.1.140910.01/.../Firefox.exe

The executing file has been seen to make the following network communications in live environments.

TCP (HTTP):
Connects to ude.databssint.com  (107.22.223.150:80)

TCP (HTTP):
Connects to storage.stgbssint.com  (172.229.236.170:80)

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