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helper.dll

Ratio 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 as well as modify the computer’s system settings that control applications to run on startup. Part of the Injekt brand of unwanted programs. The module helper.dll by Ratio Applications has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat.
Publisher:
Ratio Applications  (signed and verified)

MD5:
b18703fa64882b43321376c1bb5620f1

SHA-1:
e7f372ef1ea106b2ccdfe22871d20323d0542077

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:
11/15/2024 12:40:00 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Injekt (M)
17.2.19.22

File size:
1.3 MB (1,361,888 bytes)

File type:
Dynamic link library (Win32 DLL)

Common path:
C:\Documents and Settings\{user}\Local settings\temp\{random}.tmp\helper.dll

Digital Signature
Signed by:
Ratio Applications

Authority:
Symantec Corporation

Valid from:
2/9/2015 7:00:00 PM

Valid to:
5/11/2016 7:59:59 PM

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

Issuer:
CN=Symantec Class 3 SHA256 Code Signing CA, OU=Symantec Trust Network, O=Symantec Corporation, C=US

Serial number:
2C6864FA270A42D59AC5ABB22BC46227

File PE Metadata
Compilation timestamp:
10/17/2015 11:16:32 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

Entry address:
0xDCE54

Entry point:
55, 8B, EC, 83, 7D, 0C, 01, 75, 05, E8, 00, 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, 48, 8A, 12, 10, E8, 5D, 6A, 00, 00, 33, C0, 40, 8B, 75, 0C, 85, F6, 75, 0C, 39, 35, 98, A0, 13, 10, 0F, 84, E4, 00, 00, 00, 83, 65, FC, 00, 83, FE, 01, 74, 05, 83, FE, 02, 75, 35, 8B, 0D, 28, D4, 10, 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:
6.5938

Developed / compiled with:
Microsoft Visual C++

Code size:
1 MB (1,086,976 bytes)

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