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helper.dll

Mathematical Applications

This is part of an adware program designed to inject advertising in the web browser (banners, text-links) as well as modify the normal behavior of the browser. Part of the Injekt brand of unwanted programs. The module helper.dll by Mathematical Applications 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:
Mathematical Applications  (signed and verified)

MD5:
79d32b72943a0dfd1065baf808800405

SHA-1:
775ee128042a79e5ab90829594a97394a9a2006a

SHA-256:
d204b33c04bf0248396af96d9b3b6f4ba91edfbab18852ab326d2aef7d801744

Scanner detections:
1 / 68

Status:
Adware

Explanation:
Injects display ads (banner ads), in-text ads, interstitial ads, or other types of ads in the web browser as well as alters the browsers settings (home page, search, DNS, and security protocols).

Analysis date:
12/25/2024 4:57:23 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Injekt (M)
17.2.14.18

File size:
1.3 MB (1,382,672 bytes)

File type:
Dynamic link library (Win32 DLL)

Common path:
C:\users\{user}\appdata\local\temp\{random}.tmp\helper.dll

Digital Signature
Signed by:
Mathematical Applications

Authority:
VeriSign, Inc.

Valid from:
10/26/2014 8:00:00 PM

Valid to:
10/27/2015 7:59:59 PM

Subject:
CN=Mathematical Applications, O=Mathematical Applications, L=St. James, S=St. James, C=BB

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
79F6406432970C77D2FA7772E5EB6BDC

File PE Metadata
Compilation timestamp:
1/18/2015 1:09:29 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

Entry address:
0xE09D4

Entry point:
55, 8B, EC, 83, 7D, 0C, 01, 75, 05, E8, 10, DF, 00, 00, FF, 75, 10, FF, 75, 0C, FF, 75, 08, E8, 07, 00, 00, 00, 83, C4, 0C, 5D, C2, 0C, 00, 6A, 0C, 68, 60, C7, 12, 10, E8, 6D, 6A, 00, 00, 33, C0, 40, 8B, 75, 0C, 85, F6, 75, 0C, 39, 35, 98, E0, 13, 10, 0F, 84, E4, 00, 00, 00, 83, 65, FC, 00, 83, FE, 01, 74, 05, 83, FE, 02, 75, 35, 8B, 0D, 1C, 14, 11, 10, 85, C9, 74, 0C, FF, 75, 10, 56, FF, 75, 08, FF, D1, 89, 45, E4, 85, C0, 0F, 84, B1, 00, 00, 00, FF, 75, 10, 56, FF, 75, 08, E8, 11, FE, FF, FF, 89, 45, E4...
 
[+]

Entropy:
6.5862

Developed / compiled with:
Microsoft Visual C++

Code size:
1.1 MB (1,104,384 bytes)

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