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offer.data

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 file offer.data 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 the user's temporary directory.
Publisher:
OGVDJ  (signed by Best Install tLl)

Product:
OGVDJ

Version:
3937.151214.1192.7409

MD5:
fa143d8f5370a67fb6417ce971ddfcdc

SHA-1:
b902d49843ebe4da55aa355e37e0a77ed5dc0162

SHA-256:
cc98e22eba0cc0a2ab0a197b11543472167fb3b61c44f38dcc0fec2d4ac48209

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 is also known as bundleware, or downloadware, which is an downloader designed to simply deliver ad-supported offers in the setup routine of an otherwise legitimate software.

Analysis date:
5/18/2024 10:21:23 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Outbrowse.BestInst.Bundler (M)
16.5.23.5

File size:
325.4 KB (333,240 bytes)

Product version:
3937.151214.1192.7409

Copyright:
OGVDJ

Trademarks:
OGVDJ

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

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\temp\offer.data

Digital Signature
Signed by:
Best Install tLl

Authority:
thawte, Inc.

Valid from:
11/23/2015 10:00:00 PM

Valid to:
1/26/2017 9:59:59 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:
55102FDA18C16EE5D8DDEDF2A1342F5E

File PE Metadata
Compilation timestamp:
12/5/2009 8:52:12 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
6144:XFJ0eMiJz2JwyqP8c6+yLggqP7BvdqjMczj252mVdIRN68JYqZXjDjzHWGkQ1SPC:TJ6EP8c6+y3qP7BVqjMczyIRNZDzWGfv

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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