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nsi72f9.tmp

MAXTEK LLC

This is the OutBrowse Revenyou installer which bundles offers for additional third party applications that may be unwanted and installed without consent. The file nsi72f9.tmp by MAXTEK 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:
MAXTEK LLC  (signed and verified)

MD5:
9495c106154bd5c23c52195e6f44c197

SHA-1:
6bc25aaa4098b6e65aa9c56f02fa7b58850b1cb9

SHA-256:
dc8b51fdcd0012710d6318caf8cbb609ea292625e582f5741051946cc6e14d82

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:
5/4/2024 2:08:08 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Outbrowse (M)
17.3.3.10

File size:
2.4 MB (2,531,576 bytes)

Bundler/Installer:
OutBrowse Revenyou

Common path:
C:\users\{user}\appdata\local\temp\nsi72f9.tmp

Digital Signature
Signed by:
MAXTEK LLC

Authority:
thawte, Inc.

Valid from:
12/29/2014 3:00:00 AM

Valid to:
12/30/2015 2:59:59 AM

Subject:
CN=MAXTEK LLC, O=MAXTEK LLC, L=Kharkiv, S=New Brunswick, C=UA

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

Serial number:
5E330605B7CB3B14509516AEA2289E49

File PE Metadata
Compilation timestamp:
6/20/1992 2:22:17 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

Entry address:
0x43C770

Entry point:
60, BE, 00, 70, 5D, 00, 8D, BE, 00, A0, E2, FF, C7, 87, A4, B0, 21, 00, 4B, C5, 04, E6, 57, 83, CD, FF, EB, 0E, 90, 90, 90, 90, 8A, 06, 46, 88, 07, 47, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 72, ED, B8, 01, 00, 00, 00, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C0, 01, DB, 73, 0B, 75, 28, 8B, 1E, 83, EE, FC, 11, DB, 72, 1F, 48, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C0, EB, D4, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C9, EB, 52, 31, C9, 83, E8, 03, 72, 11, C1, E0, 08, 8A, 06, 46...
 
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Packer / compiler:
UPX v0.89.6 - v1.02 / v1.05 -v1.22 (Delphi) stub

Code size:
2.4 MB (2,514,944 bytes)

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