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setup.exe

BeST ApP

This is the OutBrowse Revenyou installer which bundles offers for additional third party applications that may be unwanted and installed without consent. The application setup.exe by BeST ApP 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 get.up1004.info.
Publisher:
OASIR  (signed by BeST ApP)

Product:
OASIR

Version:
4701.15913.887.3172

MD5:
bdf894e4e2ab941849791e86df53ae15

SHA-1:
94ac65b6eb145f47d00ed1bc3d367d9ff0c03451

SHA-256:
8676e42f3f623edb590cdee1b7b3a1acea8e00b74df4f66775e75e543ee01a8f

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:
11/16/2024 11:30:10 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Outbrowse.BeSTApP.Bundler (M)
16.3.13.1

File size:
557.3 KB (570,704 bytes)

Product version:
4701.15913.887.3172

Copyright:
OASIR

Trademarks:
OASIR

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}\setup.exe

Digital Signature
Signed by:
BeST ApP

Authority:
thawte, Inc.

Valid from:
6/30/2015 3:00:00 AM

Valid to:
12/18/2015 1:59:59 AM

Subject:
CN=BeST ApP, O=BeST ApP, L=Dublin, S=Dublin, C=IE

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

Serial number:
64E1250DF629BD3901AA90A77D70239E

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

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:Qr9efbCPOhhtOG81O+2cCG9pMi4rM5jCDpkUU:Qr9SbbOG81OcaiMM14On

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)

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

http://get.up1004.info/1442174578/.../1442174578?31063763639ZGR0LDE4am9mOigjbz0tLSssI146KS0xOTEjZTcuMDYrI209KiNdKzonLh1hMT0nLh9eMDcqKCNjNDcqKiBhLzokLiVmY2leaF5nYjRwZHRvbR9daWNgYmZjPXFNOkY R0wvR0NOR1M8LUtBUUVHSktPMR9jYGlrNDAvJmpvZTcuIGBmazwx

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