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update.exe

Internet Explorer Toolbar

Brand Thunder LLC

The application update.exe, “Internet Explorer Toolbar Updater” by Brand Thunder has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. It is also typically executed from the user's temporary directory.
Publisher:
Brand Thunder LLC  (signed and verified)

Product:
Internet Explorer Toolbar

Description:
Internet Explorer Toolbar Updater

Version:
4.3.0.43

MD5:
6623767725f20c227475669e24441c65

SHA-1:
86dc50479e16f0a657bf2cdd88ea1a9034f4600f

SHA-256:
d04d0c8eadf7eeab9d475888f638ae68d9934bda01ee450677f4f68967c1ea4a

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:
4/25/2024 12:06:31 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.BrandThunder.Toolbar (M)
16.2.15.11

File size:
72.8 KB (74,576 bytes)

Product version:
4.3.0.43

Copyright:
Copyright © 2001-2012. All rights reserved.

Original file name:
update.exe

File type:
Executable application (Win32 EXE)

Language:
English (United States)

Common path:
C:\users\{user}\appdata\local\temp\{random}.tmp\update.exe

Digital Signature
Signed by:
Brand Thunder LLC

Authority:
Thawte, Inc.

Valid from:
6/17/2013 6:00:00 PM

Valid to:
9/17/2015 5:59:59 PM

Subject:
CN=Brand Thunder LLC, O=Brand Thunder LLC, L=Columbus, S=Ohio, C=US

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

Serial number:
791A07FF9F5C100CAE981EC818D15D94

File PE Metadata
Compilation timestamp:
9/17/2013 3:35:12 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
1536:khU+27o4JOhRPLLwWHGiKvelok3WTPFl45cEL:khA0HLLyimTPFl45cEL

Entry address:
0x2F64

Entry point:
E8, 1E, 35, 00, 00, E9, 79, FE, FF, FF, 6A, 0C, 68, A8, 04, 41, 00, E8, 26, 03, 00, 00, 8B, 75, 08, 85, F6, 74, 75, 83, 3D, C0, 4B, 41, 00, 03, 75, 43, 6A, 04, E8, 08, 37, 00, 00, 59, 83, 65, FC, 00, 56, E8, 30, 37, 00, 00, 59, 89, 45, E4, 85, C0, 74, 09, 56, 50, E8, 51, 37, 00, 00, 59, 59, C7, 45, FC, FE, FF, FF, FF, E8, 0B, 00, 00, 00, 83, 7D, E4, 00, 75, 37, FF, 75, 08, EB, 0A, 6A, 04, E8, F4, 35, 00, 00, 59, C3, 56, 6A, 00, FF, 35, 9C, 38, 41, 00, FF, 15, 90, E0, 40, 00, 85, C0, 75, 16, E8, 98, 19, 00...
 
[+]

Entropy:
6.3750

Code size:
50 KB (51,200 bytes)

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