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helper.dll

Green Fire Software

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 Green Fire Software has been detected as adware by 5 anti-malware scanners. It is also typically executed from the user's temporary directory.
Publisher:
Green Fire Software  (signed and verified)

MD5:
5be87692efc136fb7524ce30a2e4c840

SHA-1:
3d86682425ae558ffe47a37d31f8b39ff7fb412e

SHA-256:
944a2321f281e33462fb7a07cdcbc0d0944fc1927b449a287163adb9a225dad6

Scanner detections:
5 / 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:
4/19/2024 5:23:16 AM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
ADWARE/Adware.Gen
7.11.166.106

Comodo Security
ApplicUnwnt
19152

ESET NOD32
MSIL/Adware.PullUpdate (variant)
8.10234

Reason Heuristics
PUP.GreenFireSoftware.G
14.8.17.6

Sophos
Pull Update
4.98

File size:
1.3 MB (1,322,864 bytes)

File type:
Dynamic link library (Win32 DLL)

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

Digital Signature
Signed by:
Green Fire Software

Authority:
VeriSign, Inc.

Valid from:
9/20/2013 1:00:00 AM

Valid to:
9/21/2014 12:59:59 AM

Subject:
CN=Green Fire Software, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Green Fire Software, L=La Jolla, S=California, C=US

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:
38E34FCC0FDD5E91FD5048A198AAABF1

File PE Metadata
Compilation timestamp:
8/2/2014 2:20:15 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

CTPH (ssdeep):
24576:ryfTBGHEAQEfSoqXx4tfJgnT06MxJIm0WfQs35lln/o8jZG:moHEA5fSoqXx4tfJ/J/0Wos35llnQ81G

Entry address:
0xD6B2E

Entry point:
55, 8B, EC, 83, 7D, 0C, 01, 75, 05, E8, 26, DD, 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, 08, 02, 12, 10, E8, 63, 6A, 00, 00, 33, C0, 40, 8B, 75, 0C, 85, F6, 75, 0C, 39, 35, 58, 0F, 13, 10, 0F, 84, E4, 00, 00, 00, 83, 65, FC, 00, 83, FE, 01, 74, 05, 83, FE, 02, 75, 35, 8B, 0D, 80, 53, 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:
6.5867

Developed / compiled with:
Microsoft Visual C++

Code size:
1 MB (1,053,696 bytes)

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