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firefox.exe

SARKARA-GRUP LLC

This is the OutBrowse Revenyou installer which bundles offers for additional third party applications that may be unwanted and installed without consent. The application firefox.exe by SARKARA-GRUP has been detected as adware by 24 anti-malware scanners. The program is a setup application that uses the OutBrowse Revenyou installer. According to AVG, this software downloads additional adware offers during setup. The file has been seen being downloaded from get.download4desktop.com and multiple other hosts.
Publisher:
SARKARA-GRUP LLC  (signed and verified)

MD5:
d1186272e461041044fa3f121cce4ffd

SHA-1:
514e65fbead3ebf47f12b84ae2116b27b759e5a8

SHA-256:
0d0700e96492a63930bc3aee6c6546783e38d9da99f9cdddce2497a2a3f24dc7

Scanner detections:
24 / 68

Status:
Adware

Explanation:
Bundles additional adware offers during download and installation using the OutBrowse installer.

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:
11/2/2024 3:24:48 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Gen:Variant.Application.Bundler.Outbrowse.1
6378105

Agnitum Outpost
PUA.Downloader
7.1.1

AhnLab V3 Security
PUP/Win32.OutBrowse
2015.02.17

Avira AntiVirus
APPL/Outbrowse.Gen
7.11.210.156

avast!
OutBrowse-BQ [PUP]
150129-1

AVG
Potentially harmful program Downloader.DHU
2014.0.4257

Bitdefender
Gen:Variant.Application.Bundler.Outbrowse.1
1.0.20.240

Comodo Security
Application.Win32.AltBrowse.HY
21106

Dr.Web
Trojan.OutBrowse.68
9.0.1.05190

Emsisoft Anti-Malware
Gen:Variant.Application.Bundler.Outbrowse
9.0.0.4799

ESET NOD32
Win32/OutBrowse.BU potentially unwanted application
7.0.302.0

Fortinet FortiGate
Riskware/OutBrowse
2/17/2015

F-Secure
Gen:Variant.Application.Bundler
11.2015-17-02_3

G Data
Gen:Variant.Application.Bundler.Outbrowse
15.2.25

K7 AntiVirus
DoS-Trojan
13.195.14984

Kaspersky
not-a-virus:Downloader.NSIS.OutBrowse
15.0.0.543

Malwarebytes
PUP.Optional.OutBrowse
v2015.02.17.05

McAfee
Program.Adware-OutBrowse.e
16.8.708.2

MicroWorld eScan
Gen:Variant.Application.Bundler.Outbrowse.1
16.0.0.144

NANO AntiVirus
Trojan.Win32.OutBrowse.dnpocv
0.30.0.65070

Reason Heuristics
PUP.Installer.SARKARAGRUP
15.5.14.18

Trend Micro House Call
Suspici.6AAF7647
7.2.48

Vba32 AntiVirus
Downloader.OutBrowse
3.12.26.3

VIPRE Antivirus
Threat.4150696
37588

File size:
573 KB (586,768 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
OutBrowse Revenyou (using Nullsoft Install System)

Language:
Language Neutral

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

Digital Signature
Signed by:
SARKARA-GRUP LLC

Authority:
thawte, Inc.

Valid from:
12/21/2014 7:00:00 PM

Valid to:
12/22/2015 6:59:59 PM

Subject:
CN=SARKARA-GRUP LLC, O=SARKARA-GRUP LLC, L=Kyiv, S=Kyiv, C=UA

Issuer:
CN=thawte SHA256 Code Signing CA, O="thawte, Inc.", C=US

Serial number:
16BFB6323EFD7384650C7F4F4A053A85

File PE Metadata
Compilation timestamp:
12/5/2009 5:50:52 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:+Sp+Mp25WXdLtayPhS0nqDFh6ZShB+Scy5QxkSDk/+U6ucpnFvDo:+SdBXdfokEFhphBPH5pcdp

Entry address:
0x30FA

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 60, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B0, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 18, EC, 42, 00, E8, F1, 2B, 00, 00, A3, 64, EB, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 98, 8F, 42, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 60, E3, 42, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, 40, 43, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Entropy:
7.9740

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

The file firefox.exe has been seen being distributed by the following 3 URLs.

http://get.download4desktop.com/1422381759/get33?p=1955&d=18257&l=5187&n=1&exeurl=https://download-installer.cdn.mozilla.net/pub/firefox/releases/33.0/win32/en-US/Firefox Setup Stub 33.0.exe&productname=Firefox&d1=158312&d2=127&filename=Firefox&tyurl=http://www.postdownload.net/.../redirect.php?id=3gguqq5eah2kv7t30pgjvjrp3s383s5ggucfvccu3gd8e7mnuf21-d352ef9dc4ce44538ecd046002fba988&d=downloadsable.com&p=Firefox&pid=3&bex=1&countryid=265

http://get2.up1208.info/1422381759/get?p=1955&d=18257&l=5187&n=1&exeurl=https://download-installer.cdn.mozilla.net/pub/firefox/releases/33.0/win32/en-US/Firefox Setup Stub 33.0.exe&productname=Firefox&d1=158312&d2=127&filename=Firefox&tyurl=http://www.postdownload.net/.../redirect.php?id=3gguqq5eah2kv7t30pgjvjrp3s383s5ggucfvccu3gd8e7mnuf21-d352ef9dc4ce44538ecd046002fba988&d=downloadsable.com&p=Firefox&pid=3&bex=1&countryid=265

http://download.downloadsable.com/download/229/.../

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