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microsoft_security_essentials_tsa1wk7qd.exe

Palo Alto Technologies

The application microsoft_security_essentials_tsa1wk7qd.exe by Palo Alto Technologies 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 Perion Download Manager installer. It is also typically executed from an Internet Explorer cache folder. The file has been seen being downloaded from s.bondemand-about.com.
Publisher:
Palo Alto Technologies  (signed and verified)

MD5:
ecfd0eaf24c0b46d5e4203513583a347

SHA-1:
972c87649ed8c749172be155bac4fc0e62259405

SHA-256:
ccf3a9d7e4fe17c8b4a45f544da4c67401bb6ff9c2663c5c2764c4816bc04cdd

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:
11/2/2024 7:29:21 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Perion Partner (M)
17.3.8.17

File size:
711.5 KB (728,592 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Perion Download Manager (using Nullsoft Install System)

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\microsoft_security_essentials_tsa1wk7qd.exe

Digital Signature
Signed by:
Palo Alto Technologies

Authority:
Thawte, Inc.

Valid from:
8/7/2014 1:00:00 AM

Valid to:
8/8/2015 12:59:59 AM

Subject:
CN=Palo Alto Technologies, O=Palo Alto Technologies, L=Belize City, S=Belize, C=BZ

Issuer:
CN=Thawte Code Signing CA - G2, O="Thawte, Inc.", C=US

Serial number:
0FDF18920EC451B5148D1CCD7E8F1A6B

File PE Metadata
Compilation timestamp:
2/24/2012 7:19:59 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

Entry address:
0x39E3

Entry point:
81, EC, D4, 02, 00, 00, 53, 55, 56, 57, 6A, 20, 33, ED, 5E, 89, 6C, 24, 18, C7, 44, 24, 10, D8, 91, 40, 00, 89, 6C, 24, 14, FF, 15, 30, 80, 40, 00, 68, 01, 80, 00, 00, FF, 15, B8, 80, 40, 00, 55, FF, 15, C0, 82, 40, 00, 6A, 08, A3, B8, 2E, 47, 00, E8, 37, 2A, 00, 00, 55, 68, B4, 02, 00, 00, A3, D0, 2D, 47, 00, 8D, 44, 24, 38, 50, 55, 68, 1C, 93, 40, 00, FF, 15, 84, 81, 40, 00, 68, 04, 93, 40, 00, 68, C0, AD, 46, 00, E8, 19, 27, 00, 00, FF, 15, B4, 80, 40, 00, 50, BF, A0, 30, 4C, 00, 57, E8, 07, 27, 00, 00...
 
[+]

Entropy:
7.9664

Packer / compiler:
Nullsoft install system v2.x

Code size:
28 KB (28,672 bytes)

The file microsoft_security_essentials_tsa1wk7qd.exe has been seen being distributed by the following URL.

http://s.bondemand-about.com/60/479/ct4792460/6f13b11762b640a3aa1fea505860ea1a/Downloads/Prod/DDE1.4.0.5.141225.03/.../Microsoft_Security_Essentials.exe

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