installation.exe

Best install TLL

This is the OutBrowse Revenyou installer which bundles offers for additional third party applications that may be unwanted and installed without consent. The application installation.exe by Best install TLL has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. The program is a setup application that uses the OutBrowse Revenyou installer. The file has been seen being downloaded from get.ddlmedia1005.info.
Publisher:
Best install TLL  (signed and verified)

MD5:
4ac6fa6bced20ba763d4967ef06f7eb7

SHA-1:
4012b5cfac05687efd1023ad67421c6e7a14b4b6

SHA-256:
35fe220b9c042e67ab9e750d958e0cdbc91ff0172ad3f382906fdaba4fd994ae

Scanner detections:
1 / 68

Status:
Adware

Note:
Our current pool of anti-malware engines have not currently detected this file, however based on our own detection heuristics we feel that this file is unwanted.

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:
5/2/2024 8:25:59 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Outbrowse (M)
16.10.21.6

File size:
589.2 KB (603,360 bytes)

File type:
Executable application (Win32 EXE)

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

Language:
Language Neutral

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

Digital Signature
Authority:
thawte, Inc.

Valid from:
1/26/2015 9:00:00 PM

Valid to:
1/27/2016 8:59:59 PM

Subject:
CN=Best install TLL, O=Best install TLL, L=Dublin, S=Dublin, C=IE

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

Serial number:
715E57236EA3C4B57F743C68B4102F62

File PE Metadata
Compilation timestamp:
12/5/2009 7:50:52 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:ClolKenrkyj2hnCw0sjfAIXyepYB63dPcO8nNurootIS3sOkGj66tuBt1:Cl7kIyj2hCPsjfA27D3ro+3sOT6wuJ

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...
 
[+]

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

The file installation.exe has been seen being distributed by the following URL.

http://get.ddlmedia1005.info/.../Get?p=13073&d=18563&l=3325&n=0&d1=NUMBER&clickid=VE10nIdHfX

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