installer.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 installer.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. It is also typically executed from an Internet Explorer cache folder.
Publisher:
DRFRC  (signed by Best Install tLl)

Product:
DRFRC

Version:
2622.151211.1195.8476

MD5:
c2afa09871fa9c0310cb0fc27f1870fe

SHA-1:
5614d63a9fa17d4547b6aa020d665c412a205f51

SHA-256:
2ed6f4f36f23e9971367f51e7cca4fa43dbdbf1772399e7b73bafa629f5d9b64

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:
11/26/2024 11:40:24 PM UTC  (a few moments ago)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Outbrowse.BestInst.Bundler (M)
16.4.24.20

File size:
325.3 KB (333,136 bytes)

Product version:
2622.151211.1195.8476

Copyright:
DRFRC

Trademarks:
DRFRC

File type:
Executable application (Win32 EXE)

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

Common path:
C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\installer.exe

Digital Signature
Authority:
thawte, Inc.

Valid from:
11/24/2015 3:00:00 AM

Valid to:
1/27/2017 2:59:59 AM

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:
55102FDA18C16EE5D8DDEDF2A1342F5E

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

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
6144:AFJ04uDZs8szPOIwD/EBPNHKQTE6bLZ7JX29g3GI5ZN3NRKF/MbcViRoK7qAQGjW:ME+8ywDGEmZ7lqg20N3fO0bcPK7OGjUL

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, 1C, 45, 00, E8, F1, 2B, 00, 00, A3, 64, 1B, 45, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 98, 37, 43, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 60, DB, 44, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, A0, 47, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

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