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virtual dj.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 virtual dj.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. The file has been seen being downloaded from download.file8desktop.com.
Publisher:
STWQW  (signed by BEst inSTall TLl)

Product:
STWQW

Version:
116.15815.1191.8950

MD5:
fc7e4ff4b10c4ec101cf68350719b192

SHA-1:
63da13e350f406b5000945618236f8012bf0728e

SHA-256:
7e2318d778be6f8517e6dacdf05fff1fcc6f378f5f7b64c3477079a07f280da8

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:
11/5/2024 11:33:49 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Outbrowse.BEstinST.Bundler (M)
16.7.1.23

File size:
809.8 KB (829,272 bytes)

Product version:
116.15815.1191.8950

Copyright:
STWQW

Trademarks:
STWQW

File type:
Executable application (Win32 EXE)

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

Language:
Language Neutral

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

Digital Signature
Signed by:
BEst inSTall TLl

Authority:
thawte, Inc.

Valid from:
6/29/2015 7:00:00 PM

Valid to:
1/27/2016 5:59:59 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:
505027BABCC52AD6A1AB7C1CB900B9B9

File PE Metadata
Compilation timestamp:
12/5/2009 4:52:12 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
24576:MLdzsoz/Z73/XNFZ1dUYGqwAK4RXPiYsRi2i86:MRQU73/NFZgqwAHpaY8P

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:
7.9879

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

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

http://download.file8desktop.com/1439671658/.../1439671658?77620506395YF5uMzU6cDcwJywfXTcwODA2MSNvdHA2LS4xIXhzdzQuMC0wJGw4My80LyFnNiskdmg9KiNcc15ubGo9Y3RubRwuWh4sZCUtZl1hZSlpaV5td2lsaV5bKVxoZyMyYU1jcFogK19jbHNvYWZpVnFia25zYWdkZFxfamZeWXQ3KTQoLyVgcV4gYnlpYWdmWmlaZl87VmRybnJYZx4rKkJKIWZjaVxpWmZfO1Zkcm5yWGceKypCSiFkKzooMjItMSRpXm9oOjAvH2lsaj0s

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