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installation.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 installation.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. The file has been seen being downloaded from get1.down1004life.info.
Publisher:
BEST APP  (signed and verified)

MD5:
d0cd7869239021e3397542c9675baf68

SHA-1:
0dd8ba3edeaa097c945c3302933e5a497fd18a3c

SHA-256:
dd8254a73c4e0c193dbacf7fa652f3c06c25009a0a6511d0a06fc5b0cf907be6

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:
11/23/2024 6:39:13 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Outbrowse.BESTAPP.Bundler (M)
15.12.21.8

File size:
569.9 KB (583,568 bytes)

File type:
Executable application (Win32 EXE)

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

Language:
Language Neutral

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

Digital Signature
Signed by:
BEST APP

Authority:
thawte, Inc.

Valid from:
1/3/2015 7:00:00 PM

Valid to:
12/17/2015 6:59:59 PM

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:
1D0774D8D3A913BED64F71672A861C69

File PE Metadata
Compilation timestamp:
12/5/2009 5:50:52 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:i/tRFBaO/Iw6L5rqhzPleMK3ih+52GgGVvZZNZR2yJF2qG4dtSZFAS:i/ztAZLshrlHLGf7DPTG4LK

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, EC, 42, 00, E8, F1, 2B, 00, 00, A3, 64, EB, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 98, 8F, 42, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 60, E3, 42, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, 40, 43, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Entropy:
7.9765

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

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

http://get1.down1004life.info/.../get24?p=13013&d=24749&l=24044&n=0&d1=1&s=rh-ujp1-usron10&clickid=992cefd0-a42e-4509-8828-ef6b4b663c46

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