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nsbe2b2.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 nsbe2b2.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:
f55de590623a99724032be63b2e53be8

SHA-1:
e8ab2a0ea37603563c8313de1de59cb1b7ab3f81

SHA-256:
76e22d0e615efc3105e21016ea39a5f16cae556f7e7a5e69472b1022a1aad36b

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 an installer which may bundle legitimate applications with offers for additional 3rd-party applications that may be unwanted by the user. While the installer contains an 'opt-out' feature this is not set be defult and is usually overlooked.

Analysis date:
12/26/2024 3:17:15 AM 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\nsbe2b2.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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