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flv_221.exe

OutBrowse LTD

This is the OutBrowse Revenyou installer which bundles offers for additional third party applications that may be unwanted and installed without consent. The application flv_221.exe by OutBrowse has been detected as adware by 10 anti-malware scanners. The program is a setup application that uses the OutBrowse Revenyou installer. The setup routine uses the RevenYou.Com Pay Per Install platform (OutBrowse) which bundles additional software offers inclduing toolbars, extensions, PC utilities as well as other PUPs. The file has been seen being downloaded from clk.integral-marketing.com and multiple other hosts.
Publisher:
VLC Player  (signed by OutBrowse LTD)

Product:
VLC Player

Version:
1.0

MD5:
3a3ce771e51dbd80675b1c844ac316a1

SHA-1:
544e3294cb30449fc1219562c00058f0e1f3fb24

SHA-256:
57155c5665839b8009fa0c787e06188e795ad655e91be8d724fee6c7bb9c2ac7

Scanner detections:
10 / 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:
4/24/2024 1:22:35 PM UTC  (today)

Scan engine
Detection
Engine version

AVG
MalSign.Generic
2015.0.3252

Bkav FE
W32.Clodbc0.Trojan
1.3.0.4613

Comodo Security
Application.Win32.OutBrowse.D
17450

Dr.Web
Adware.Downware.1336
9.0.1.0356

ESET NOD32
Win32/OutBrowse (variant)
8.9179

K7 AntiVirus
Unwanted-Program
13.174.10530

Malwarebytes
PUP.Optional.Smart
v2014.12.22.09

McAfee
Artemis!3A3CE771E51D
5600.6908

Reason Heuristics
PUP.OutBrowse.H
14.12.22.21

Sophos
OutBrowse Revenyou
4.96

File size:
650.9 KB (666,480 bytes)

Copyright:
© VLC Player

Trademarks:
VLC Player

File type:
Executable application (Win32 EXE)

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

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\flv_221.exe

Digital Signature
Signed by:
OutBrowse LTD

Authority:
Symantec Corporation

Valid from:
2/25/2013 5:00:00 PM

Valid to:
2/26/2014 4:59:59 PM

Subject:
CN=OutBrowse LTD, O=OutBrowse LTD, L=Ramat Gan, S=Ramat Gan, C=IL, SERIALNUMBER=514686914, OID.2.5.4.15=Private Organization, OID.1.3.6.1.4.1.311.60.2.1.3=IL

Issuer:
CN=Symantec Class 3 Extended Validation Code Signing CA, OU=Symantec Trust Network, O=Symantec Corporation, C=US

Serial number:
06C1C2AE3E180ADDA27BBF2BD8EAC0E7

File PE Metadata
Compilation timestamp:
12/5/2009 3:50:52 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:0qhMSAvbiAftTXWrQMBJ6/1FYfezpIUe4IcDsvEQ28qPkQGeADK2LGNX:0Cov2AfYBBJ6zYfeFHHVDsvEQ28QGRDT

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:
7.9803

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

The file flv_221.exe has been seen being distributed by the following 2 URLs.

http://clk.integral-marketing.com/ads2/c?a=1819930;x=2317;g=172;c=1856000613,1856000613;i=0;n=1856;s=193;1=8;2=1;tg=1387821759;vr=1;m=404;w=6;os=1;ct=1;p=6;h=1853842;f=2190004;b=10;u=1kFadPrRSfyfDNF14hhW@Q**~103013;z=0.45590730376695376;ainfo=;k=http://network.adsmarket.com/.../jGdqnGKcqZeOYmmdX8p6w4iQap5konyZimKYlmOhfJyJkGqVYpx_lbdocJZhoXs?dp=%z

http://clk.integral-marketing.com/ads2/c?a=1819930;x=2317;g=172;c=1856000408,1856000408;i=0;n=1856;s=136;1=8;2=1;tg=1387872082;vr=1;m=41;w=21;os=5;ct=1;p=6;h=1853842;f=2190004;b=10;u=vpghjBcDT--rHCSxOi83tQ**~122413;z=0.8626943702371076;ainfo=;k=http://network.adsmarket.com/.../jGdqnGKcqZeOYmmdX8p6w4iQap5konyZimKYlmOhfJyJkGqVYpx_lbdocJZhoXs?dp=%z

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