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installer_adobe_flash_player_english_4.exe

Click To Start

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_4.exe by Click To Start has been detected as adware by 19 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.
Publisher:
Click To Start  (signed and verified)

MD5:
c3af6ac7ddf410f2cd4370a2bebd8b85

SHA-1:
a72f846904c7d8dd8fedc8319e65022ba3b3ee1d

SHA-256:
75b90e0fbb4ce35b206af66bce05f33b94b08f94cbeb322df6d1d387cc8df69d

Scanner detections:
19 / 68

Status:
Adware

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

Description:
This is an installer which may bundle legitimate applications with offers for additional 3rd-party applications that may be unwanted by the user. While the installer contains an 'opt-out' feature this is not set be defult and is usually overlooked.

Analysis date:
4/18/2024 10:28:39 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Dropped:Application.Bundler.Outbrowse.AA
6213306

Avira AntiVirus
APPL/Downloader.Gen
7.11.197.30

AVG
Potentially harmful program Downloader.CVE
2014.0.4235

Bitdefender
Dropped:Application.Bundler.Outbrowse.AA
1.0.20.1780

Dr.Web
Trojan.OutBrowse.51
9.0.1.05190

Emsisoft Anti-Malware
Dropped:Application.Bundler.Outbrowse.AA
9.0.0.4668

ESET NOD32
Win32/OutBrowse.BM potentially unwanted application
7.0.302.0

Fortinet FortiGate
Riskware/OutBrowse
12/22/2014

F-Secure
Riskware.Dropped:Application.Bundler.Outbrowse
5.13.68

G Data
Dropped:Application.Bundler.Outbrowse.AA
14.12.24

IKARUS anti.virus
Trojan-Clicker.Win32.Agent
t3scan.1.8.5.0

K7 AntiVirus
Unwanted-Program
13.188.14395

Malwarebytes
PUP.Optional.OutBrowse
v2014.12.22.04

MicroWorld eScan
Dropped:Application.Bundler.Outbrowse.AA
15.0.0.1068

Norman
Dropped:Application.Bundler.Outbrowse.AA
04.12.2014 14:30:06

Reason Heuristics
PUP.ClickToStart.g
14.12.22.4

Sophos
Generic PUA NO
4.98

Trend Micro House Call
Suspici.6BC7E129
7.2.356

VIPRE Antivirus
Threat.4150696
35418

File size:
573.8 KB (587,536 bytes)

File type:
Executable application (Win32 EXE)

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

Common path:
C:\users\{user}\downloads\programs\installer_adobe_flash_player_english_4.exe

Digital Signature
Signed by:
Click To Start

Authority:
GlobalSign nv-sa

Valid from:
12/5/2014 12:30:02 PM

Valid to:
12/6/2015 12:30:02 PM

Subject:
CN=Click To Start, O=Click To Start, L=Dublin, C=IE

Issuer:
CN=GlobalSign CodeSigning CA - G2, O=GlobalSign nv-sa, C=BE

Serial number:
1121A4ADB181C788DD5B27571502842584B8

File PE Metadata
Compilation timestamp:
12/6/2009 1:50:52 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:zqaUJh819WiV08s4AkRd5zrfzb19aZRD34f90:zZ1s2s4AkRdtrfPLaZRsf2

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:
7.9741

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

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