8fa5b0a503834cf3c5f3f2c45e5d44a0.exe

SaFE stoRe btw

This is the OutBrowse Revenyou installer which bundles offers for additional third party applications that may be unwanted and installed without consent. The application 8fa5b0a503834cf3c5f3f2c45e5d44a0.exe by SaFE stoRe btw 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:
PKXWL  (signed by SaFE stoRe btw)

Product:
PKXWL

Version:
4542.15528.1348.8850

MD5:
f77b165bc1ee6f3950ab7dbbc2ddef12

SHA-1:
3f95aa5acd6110c92128aed4c2de7541d8fd0cd9

SHA-256:
35411c534a650e9ccfbf2421a95e6f02a0c5cac39445353aab76e3c2c473326f

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:
12/24/2024 4:48:45 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Outbrowse (M)
16.10.21.8

File size:
797.4 KB (816,575 bytes)

Product version:
4542.15528.1348.8850

Copyright:
PKXWL

Trademarks:
PKXWL

File type:
Executable application (Win32 EXE)

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

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\temp\8fa5b0a503834cf3c5f3f2c45e5d44a0.exe

Digital Signature
Signed by:

Authority:
thawte, Inc.

Valid from:
5/26/2015 1:00:00 AM

Valid to:
1/28/2016 12:59:59 AM

Subject:
CN=SaFE stoRe btw, O=SaFE stoRe btw, L=Dublin, S=Dublin, C=IE

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

Serial number:
6567F87663773D07F1E72BDD2E7FF955

File PE Metadata
Compilation timestamp:
12/5/2009 11:52:12 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:Vdba2YSaN5SyIBrj+dkiK/2fSI7Lm52X4nOoj+CBCH3/bZu97waWfc8vy4hF:VdbacyIBP0kFu648a7vZX1CwaD86

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:
7.7385

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

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