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distro-amzn-ironsource-rs-2.exe

Amazon Browser Bar

Browser Distribution Services, Inc.

The application distro-amzn-ironsource-rs-2.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 Nullsoft Install System installer. It is also typically executed from the user's temporary directory.
Publisher:
Browser Distribution Services, Inc.  (signed and verified)

Product:
Amazon Browser Bar

Version:
1.0

MD5:
cfe808d94bb834bd3297a10208aa5e7a

SHA-1:
7f0074364821775bb5a41e4daa3ee691717aa6f4

SHA-256:
9951667b77b463f9cc22df9968050141669058a94918c4b0357e2da9d0b9b604

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:
4/20/2024 3:09:49 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Zugo.BrowserDistributionServices.Installer (M)
15.12.22.8

File size:
4.3 MB (4,467,912 bytes)

Product version:
1.0

File type:
Executable application (Win32 EXE)

Installer:
Nullsoft Install System

Language:
English (United States)

Common path:
C:\users\{user}\appdata\local\temp\{random}.tmp\distro-amzn-ironsource-rs-2.exe

Digital Signature
Signed by:
Browser Distribution Services, Inc.

Authority:
COMODO CA Limited

Valid from:
1/31/2013 7:00:00 PM

Valid to:
2/1/2015 6:59:59 PM

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:
3B259692789E76789FF829879954D882

File PE Metadata
Compilation timestamp:
12/7/2011 9:34:40 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.56

CTPH (ssdeep):
98304:TRZrLdmajJguCYx1yLAzf38ToQPkkvIFhO7SrVCzGyVG:7rLdrgud1QOfMTB9AFhgSFyE

Entry address:
0x4040

Entry point:
55, 89, E5, 57, 56, 53, 81, EC, AC, 01, 00, 00, E8, B3, 52, 00, 00, C7, 04, 24, 01, 80, 00, 00, E8, 5F, 4F, 00, 00, 56, C7, 04, 24, 00, 00, 00, 00, E8, C2, 52, 00, 00, 53, A3, 50, 5B, 42, 00, C7, 04, 24, 08, 00, 00, 00, E8, 3E, 32, 00, 00, A3, 00, 5C, 42, 00, 8D, 85, 84, FE, FF, FF, 51, C7, 44, 24, 10, 00, 00, 00, 00, C7, 44, 24, 0C, 60, 01, 00, 00, 89, 44, 24, 08, C7, 44, 24, 04, 00, 00, 00, 00, C7, 04, 24, A4, B2, 40, 00, E8, EC, 51, 00, 00, 83, EC, 14, C7, 44, 24, 04, A5, B2, 40, 00, C7, 04, 24, 30, 5C...
 
[+]

Entropy:
7.9983  (probably packed)

Code size:
33 KB (33,792 bytes)

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