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nstb789.tmp

SAFe DownlOad Gtl

This is the OutBrowse Revenyou installer which bundles offers for additional third party applications that may be unwanted and installed without consent. The file nstb789.tmp by SAFe DownlOad Gtl 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:
DEMFS  (signed by SAFe DownlOad Gtl)

Product:
DEMFS

Version:
2355.151119.1374.1921

MD5:
b0ab960de06626f62012d58e2d6dd12d

SHA-1:
8996eadf852c827bf26bf227512d8ee24d3a0020

SHA-256:
434ed367a550cf905f9e1dbe9c85d2c5efcc860bd1d1d46c3584fcf00f618fb2

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:
9/21/2024 4:30:35 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Outbrowse (M)
17.3.16.4

File size:
346.6 KB (354,872 bytes)

Product version:
2355.151119.1374.1921

Copyright:
DEMFS

Trademarks:
DEMFS

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

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\temp\nstb789.tmp

Digital Signature
Signed by:
SAFe DownlOad Gtl

Authority:
thawte, Inc.

Valid from:
11/10/2015 8:00:00 AM

Valid to:
1/28/2016 7:59:59 AM

Subject:
CN=SAFe DownlOad Gtl, O=SAFe DownlOad Gtl, L=Dublin, S=Dublin, C=IE

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

Serial number:
4D753B2AA88378503DFD6C737E4D9BB1

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

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

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:
7.6892

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

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