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distro-amzn-ursoft.exe

Amazon Browser Bar

Browser Distribution Services, Inc.

The application distro-amzn-ursoft.exe by Browser Distribution Services 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 NSIS (Nullsoft Scriptable Install System) installer. It is also typically executed from the user's temporary directory.
Publisher:
URSoft Inc  (signed by Browser Distribution Services, Inc.)

Product:
Amazon Browser Bar

Version:
1.0

MD5:
c750f176ac195b4c3c9777ab5b4c8d7c

SHA-1:
9e7873e751196ae7fca64ca82bcd89612e178015

SHA-256:
db56f31c45039eef6728197e1bbd2f07a37b5b6129b39ff853b4ee813cb23209

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.

Analysis date:
12/25/2024 3:23:08 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Zugo.BrowserD.Installer (M)
16.3.18.17

File size:
2 MB (2,050,424 bytes)

Product version:
1.0

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Language:
English (United States)

Common path:
C:\users\{user}\appdata\local\temp\{random}.tmp\distro-amzn-ursoft.exe

Digital Signature
Signed by:
Browser Distribution Services, Inc.

Authority:
COMODO CA Limited

Valid from:
1/26/2012 2:00:00 AM

Valid to:
1/26/2013 1:59:59 AM

Subject:
CN="Browser Distribution Services, Inc.", O="Browser Distribution Services, Inc.", STREET="2711 Centerville Road, Suite 400", L=Wilmington, S=DE, PostalCode=19808, C=US

Issuer:
CN=COMODO Code Signing CA 2, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
0091DFA40718D373BC38F0B0B236B66F51

File PE Metadata
Compilation timestamp:
12/6/2009 12:50:46 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
49152:WS76E8ezVTzqzOzns1G5odadE/HKfc5x4Y7gPWMgI7:wwzVHkOzn6qgqUCYkP1n

Entry address:
0x323C

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 30, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B4, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 58, 3F, 42, 00, E8, 09, 2C, 00, 00, A3, A4, 3E, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 58, F4, 41, 00, FF, 15, 58, 71, 40, 00, 68, B8, 91, 40, 00, 68, A0, 36, 42, 00, E8, BC, 28, 00, 00, FF, 15, B0, 70, 40, 00, BF, 00, 90, 42, 00, 50, 57, E8, AA, 28, 00, 00...
 
[+]

Entropy:
7.9973

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

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