home

flv1.exe

OUTBROWSE

This is the OutBrowse Revenyou installer which bundles offers for additional third party applications that may be unwanted and installed without consent. The application flv1.exe by OUTBROWSE has been detected as adware by 17 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 get1.download-desktop-file.com and multiple other hosts.
Publisher:
OUTBROWSE  (signed and verified)

MD5:
905efcfdd58c4309bef7cdf0459389c3

SHA-1:
b9cdab3472c84d63c88e0774f3d11d0fb09197e7

SHA-256:
c6f2b0904aa2ff9a3f5a05a81c159bbcb656c8e64c2ea13853d11b819db23d66

Scanner detections:
17 / 68

Status:
Adware

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

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:
12/26/2024 3:35:02 AM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.OutBrowse
7.1.1

AhnLab V3 Security
PUP/Win32.OutBrowse
2014.10.19

Avira AntiVirus
APPL/OutBrowse.lwasp
7.11.179.116

AVG
Generic
2015.0.3318

Dr.Web
Adware.Downware.2081
9.0.1.05190

ESET NOD32
Win32/OutBrowse.Y potentially unwanted application
7.0.302.0

F-Prot
W32/Outbrowse.B2.gen
v6.4.7.1.166

G Data
Win32.Application.Outbrowse
14.10.24

K7 AntiVirus
Unwanted-Program
13.184.13727

Kaspersky
not-a-virus:AdWare.Win32.OutBrowse
15.0.0.494

Malwarebytes
PUP.Optional.OutBrowse
v2014.10.18.10

McAfee
Adware-OutBrowse
5600.6974

NANO AntiVirus
Trojan.Win32.OutBrowse.deinil
0.28.2.62671

nProtect
Trojan-Clicker/W32.OutBrowse.1010448
14.10.17.01

Reason Heuristics
PUP.OUTBROWSE.E
14.10.18.10

Sophos
OutBrowse Revenyou
4.98

VIPRE Antivirus
Threat.4823950
33706

File size:
986.8 KB (1,010,448 bytes)

File type:
Executable application (Win32 EXE)

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

Common path:
C:\users\{user}\downloads\flv1.exe

Digital Signature
Signed by:
OUTBROWSE

Authority:
COMODO CA Limited

Valid from:
4/7/2014 3:00:00 AM

Valid to:
4/8/2015 2:59:59 AM

Subject:
CN=OUTBROWSE, O=OUTBROWSE, STREET=Bialik Number: 143, L=Ramat Gan, S=Israel, PostalCode=5252337, C=IL

Issuer:
CN=COMODO Code Signing CA 2, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
00A5F03C3A375C11FD6C1C160EE8BFF923

File PE Metadata
Compilation timestamp:
12/6/2009 12:50:52 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
24576:muxbPkv9pP3fDVPWlHQFZqCqQ4n1k/xrMm:dxbPkv3PfRPWlHQFZqK4wh

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:
7.9255

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

The file flv1.exe has been seen being distributed by the following 3 URLs.

http://get1.download-desktop-file.com/.../Get?p=221&d=5463&l=1694&n=0&d1=176681&clickid=20xFYx31sO1SEsT41ynVmX1x4xs2000.&cid=176681&filename=FLV1&ce_cid=20xFYx31sO1SEsT41ynVmX1x4xs2000.

http://network.adsmarket.com/.../iWhvm2acqZWLaW-bX8p6w4iQa5hhoICVimKYlmOhfJyJkGqXY6R8lbdqcJ1fnHs?dp=XvL1-tSI2klMqGoqsr3VNOwCRieJdH8mQaWh1_VEHjTGwYRarf8zHlDe-jUJyBuiEf_z_KxYbizW4OieOr_E7bTESXQIoI5M9EObD97xGSh2XLjxnTBEZ0ZcNHRg1N3QVHSQOKBVSMX4b04nD4Vs9E3pL5Sxd59-29R0SeFSg2sgF0Mei57tMRIBn30I_DtJetr22UDk2g2lzf2jGDohKF1A5nVp0of0nt4VEBc7SCJXdp4BnsqIRXypLkS43cU0JOVTuYekdNz8eU7lCf_geqA4vtL4qstLdM7CKQVMuU27WbOoL3_FkhpVvotpEBwUDYRto3hjtOz97GlwmgTQWaw7b0g3SYLWLE9Lbo3MuEtqP8_P_l96KVDt0ZzMqiaw8uEopbQRcrSOeoy7KA9YjQ3QCE1AD2CpYigVpGSuQDEVoA&dp2=P11847119&dp3=C30511016

http://ads.adk2.com/event/click/0/XvL1-tSI2klMqGoqsr3VNOwCRieJdH8mQaWh1_VEHjTGwYRarf8zHlDe-jUJyBuiEf_z_KxYbizW4OieOr_E7bTESXQIoI5M9EObD97xGSh2XLjxnTBEZ0ZcNHRg1N3QVHSQOKBVSMX4b04nD4Vs9E3pL5Sxd59-29R0SeFSg2sgF0Mei57tMRIBn30I_DtJetr22UDk2g2lzf2jGDohKF1A5nVp0of0nt4VEBc7SCJXdp4BnsqIRXypLkS43cU0JOVTuYekdNz8eU7lCf_geqA4vtL4qstLdM7CKQVMuU27WbOoL3_FkhpVvotpEBwUDYRto3hjtOz97GlwmgTQWaw7b0g3SYLWLE9Lbo3MuEtqP8_P_l96KVDt0ZzMqiaw8uEopbQRcrSOeoy7KA9YjQ3QCE1AD2CpYigVpGSuQDEVoA/.../

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