installer_adobe_flash_player_english.exe

safe install OPT

This is the OutBrowse Revenyou installer which bundles offers for additional third party applications that may be unwanted and installed without consent. The application installer_adobe_flash_player_english.exe by safe install OPT has been detected as adware by 23 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 downloaderbox.com and multiple other hosts.
Publisher:
safe install OPT  (signed and verified)

MD5:
f181e0189305df40ee199309f71d4274

SHA-1:
151c53194dd578c1d674b06432b72b4a1883b842

SHA-256:
1bdea7ae5b1b6fc7a5dbb87965586936848411d04435cf8557e2b1985eb17bfc

Scanner detections:
23 / 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:
12/24/2024 1:58:46 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Gen:Variant.Application.Bundler.Outbrowse.1
6542235

Agnitum Outpost
PUA.OutBrowse
7.1.1

AhnLab V3 Security
PUP/Win32.OutBrowse
2015.03.19

Avira AntiVirus
PUA/Outbrowse.Gen
7.11.218.66

avast!
OutBrowse-BW [PUP]
150129-1

AVG
Downloader
2016.0.3167

Bitdefender
Gen:Variant.Application.Bundler.Outbrowse.1
1.0.20.385

Comodo Security
Application.Win32.AltBrowse.HY
21451

Dr.Web
infected with Trojan.OutBrowse.100
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
3/18/2015

F-Secure
Gen:Variant.Application.Bundler
11.2015-18-03_4

G Data
Gen:Variant.Application.Bundler.Outbrowse
15.3.25

K7 AntiVirus
Trojan
13.201.15302

Malwarebytes
PUP.Optional.OutBrowse
v2015.03.18.10

McAfee
Program.Adware-OutBrowse.e
16.8.708.2

MicroWorld eScan
Gen:Variant.Application.Bundler.Outbrowse.1
16.0.0.231

NANO AntiVirus
Riskware.Win32.OutBrowse.dorbak
0.30.8.659

Reason Heuristics
Threat.Installer.safeinstallOPT
15.4.11.23

Trend Micro House Call
Suspici.B4D1CBB0
7.2.77

Vba32 AntiVirus
Adware.Outbrowse
3.12.26.3

VIPRE Antivirus
Threat.4150696
37788

File size:
580.3 KB (594,232 bytes)

File type:
Executable application (Win32 EXE)

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

Language:
Language Neutral

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

Digital Signature
Authority:
thawte, Inc.

Valid from:
2/3/2015 2:00:00 AM

Valid to:
1/28/2016 1:59:59 AM

Subject:
CN=safe install OPT, O=safe install OPT, L=Dublin, S=Dublin, C=IE

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

Serial number:
07B264D5824AFC5063504506C3B2763F

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):
12288:EW6Ny7ZMCuMTs50rV8E7A6NeHNPKSIdu8mjxx83APuoy+jLY:EWB7ZMCuMTsipz7A6NeHNPKpdu8mdxwD

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:
7.9660

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

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

http://downloaderbox.com/installers/axtan_installers/get.php?ua=chrome&ut=b4de9acedd8dcfff408110545575654d&loop=4&p=RlJFRVNPRlRTVE9SRUNPTQ==&x=L2hvbWUvZG93bl9jcm9ucy9wdWJsaWNfaHRtbC9pbnN0YWxsZXJzL291dC9vbi8yL2ZyZWVzb2Z0c3RvcmVjb20vZW5nbGlzaC9yZXZlbnVlL2Nocm9tZS9hZG9iZV9mbGFzaF9wbGF5ZXIvZC8yNzU4NzZlMzRjZjYwOWRiMTE4ZjNkODRiNzk5YTc5MC9vdXQvbmEvbmEvaW5zdGFsbGVyX2Fkb2JlX2ZsYXNoX3BsYXllcl9FbmdsaXNoLmV4ZQ==&u=L2Rvd25sb2FkMi5mcmVlc29mdHN0b3JlMi5jb20vaW5zdGFsbGVycy9vdXQvMDAyMDMwMDIwNDAwMjA1L3BpaWQtNTRkMjFkNzY2YTI1MTYuNjY0MjYyMTUvb24vMi9mcmVlc29mdHN0b3JlY29tL2VuZ2xpc2gvcmV2ZW51ZS9jaHJvbWUvYWRvYmVfZmxhc2hfcGxheWVyL2QvMjc1ODc2ZTM0Y2Y2MDlkYjExOGYzZDg0Yjc5OWE3OTAvb3V0L25hL25hL2luc3RhbGxlcl9hZG9iZV9mbGFzaF9wbGF5ZXJfRW5nbGlzaC5leGU=&r=887868&aa=on/2/freesoftstorecom//&GB=99&FK=12&GE=99&KE=73&IJ=27&KF=5&DA=74&LI=82&NK=56&EL=25&s=40387715072814891864665638706231369141658839328515981545416049276181257140173035523787229833851479694318426729282651373367743890850381224906924289327663437727712750973373076595

http://downloaderbox.com/installers/axtan_installers/get.php?ua=chrome&ut=22058c57f96951c6877724031c61550f&u=L2Rvd25sb2FkMi5mcmVlc29mdHN0b3JlMi5jb20vaW5zdGFsbGVycy9vdXQvMDAyMDMwMDIwNDAwMjA1L3BpaWQtNTRkMjFhMjUwOGJiZTIuMzI1NDQ3ODAvb24vMi9mcmVlc29mdHN0b3JlY29tL2VuZ2xpc2gvcmV2ZW51ZS9jaHJvbWUvYWRvYmVfZmxhc2hfcGxheWVyL2QvMjc1ODc2ZTM0Y2Y2MDlkYjExOGYzZDg0Yjc5OWE3OTAvb3V0L25hL25hL2luc3RhbGxlcl9hZG9iZV9mbGFzaF9wbGF5ZXJfRW5nbGlzaC5leGU=&r=6013999&p=RlJFRVNPRlRTVE9SRUNPTQ==&x=L2hvbWUvZG93bl9jcm9ucy9wdWJsaWNfaHRtbC9pbnN0YWxsZXJzL291dC9vbi8yL2ZyZWVzb2Z0c3RvcmVjb20vZW5nbGlzaC9yZXZlbnVlL2Nocm9tZS9hZG9iZV9mbGFzaF9wbGF5ZXIvZC8yNzU4NzZlMzRjZjYwOWRiMTE4ZjNkODRiNzk5YTc5MC9vdXQvbmEvbmEvaW5zdGFsbGVyX2Fkb2JlX2ZsYXNoX3BsYXllcl9FbmdsaXNoLmV4ZQ==&loop=4&aa=on/2/freesoftstorecom//&BH=78&DG=6&LG=28&HC=54&EK=88&CE=40&DD=64&IJ=98&EL=72&CM=2&s=78503358585717974256137486855553403748507088885301024773368923264639589297085616719297523315742105054074782344926945697039513724330837215540942546006800861144678661483937022286

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