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2buhkwcd.vqp

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 file 2buhkwcd.vqp by Safe iNstAlL oPT 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:
Safe iNstAlL oPT  (signed and verified)

MD5:
a535289534339f5ac217a233286c9f74

SHA-1:
25d96fc757b057d94eb700735e5a8a8a5088053e

SHA-256:
a5b7afda11ff7306fcc811a669555604c62278684a747a28b4d64079ccc955b2

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:
1/15/2025 5:00:42 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Outbrowse (M)
16.9.14.5

File size:
558.3 KB (571,672 bytes)

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

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\temp\2buhkwcd.vqp

Digital Signature
Signed by:
Safe iNstAlL oPT

Authority:
thawte, Inc.

Valid from:
4/5/2015 5:00:00 AM

Valid to:
1/28/2016 4:59:59 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:
7449B3AB41441273C70FCB4E1841E84C

File PE Metadata
Compilation timestamp:
12/6/2009 3:52:12 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:74jdwIu6NhLXva2hj9Uh3VFSdWCZE2IdPIGC9rGSIyjFTJi:74aIb7LjJGcdfLMWrGSbF1

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...
 
[+]

Entropy:
7.9641

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

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