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oovoo.exe

rUn appS foreVer LLd

This is the OutBrowse Revenyou installer which bundles offers for additional third party applications that may be unwanted and installed without consent. The application oovoo.exe by rUn appS foreVer LLd 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 download-file.downloadzone.org.
Publisher:
rUn appS foreVer LLd  (signed and verified)

MD5:
1e82fb2ab662d669b60856e8abbd4d70

SHA-1:
8c4a9fad70f770e4ae05140d1f65b1e1d2658fe0

SHA-256:
90a4384d4a86e67aa51ee8d8ac6396c711e5176c88b748751a314d493883db1f

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:
12/4/2024 8:02:04 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Outbrowse (M)
16.11.22.20

File size:
576.5 KB (590,288 bytes)

File type:
Executable application (Win32 EXE)

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

Language:
Language Neutral

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

Digital Signature
Signed by:
rUn appS foreVer LLd

Authority:
thawte, Inc.

Valid from:
3/25/2015 8:00:00 PM

Valid to:
1/27/2016 6:59:59 PM

Subject:
CN=rUn appS foreVer LLd, O=rUn appS foreVer LLd, L=Dublin, S=Dublin, C=IE

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

Serial number:
6C1EE53C416E683728B3595FD28482FC

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

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:jrxOQUmh2fa8TWUsQVAiQtIJeFyP8Sziwd:jrxz2fa8rHPsIJeFUjziw

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:
7.9423

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

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

http://download-file.downloadzone.org/download/215/.../

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