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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. Part of the Injekt brand of unwanted programs. The module helper.dll by Green Fire Software has been detected as adware by 13 anti-malware scanners. It is also typically executed from the user's temporary directory.
Publisher:
Green Fire Software  (signed and verified)

MD5:
fddcdf6181d06637b1f33fe95986b201

SHA-1:
85e4bdc83ded5e176c3257239e6d65252163a656

SHA-256:
97fb16cb13d8ec023b929d7b221dc31a5326839cd71534025c485878919204dc

Scanner detections:
13 / 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:
4/26/2024 5:37:49 AM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.PullUpdate
7.1.1

Avira AntiVirus
ADWARE/Adware.Gen
7.11.180.234

AVG
Generic
2016.0.3056

Baidu Antivirus
Adware.MSIL.PullUpdate
4.0.3.1576

Comodo Security
ApplicUnwnt
19887

ESET NOD32
MSIL/Adware.PullUpdate (variant)
9.10612

Fortinet FortiGate
Adware/PullUpdate
7/6/2015

K7 AntiVirus
Adware
13.185.13789

McAfee
Artemis!FDDCDF6181D0
5600.6712

Reason Heuristics
PUP.Injekt.GreenFireSoftware (M)
15.7.6.13

Sophos
Pull Update
4.98

Trend Micro House Call
Suspicious_GEN.F47V0715
7.2.187

VIPRE Antivirus
MSIL.Adware.PullUpdate
34200

File size:
1.2 MB (1,310,576 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:
9/19/2013 5:00:00 PM

Valid to:
9/20/2014 4:59:59 PM

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:
7/14/2014 11:55:37 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

CTPH (ssdeep):
24576:amvILjP0ZVXDdZW1/BcDSQ8o9T3+ToP0hOCTwWxWCxwq4e7bZEaf:aIGPGVXDdZW1/BcEW0BhOuNxVxwHe7N5

Entry address:
0xD3E6D

Entry point:
55, 8B, EC, 83, 7D, 0C, 01, 75, 05, E8, 1A, 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, 10, D2, 11, 10, E8, 64, 6A, 00, 00, 33, C0, 40, 8B, 75, 0C, 85, F6, 75, 0C, 39, 35, 58, DF, 12, 10, 0F, 84, E4, 00, 00, 00, 83, 65, FC, 00, 83, FE, 01, 74, 05, 83, FE, 02, 75, 35, 8B, 0D, 90, 23, 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:
6.5881

Developed / compiled with:
Microsoft Visual C++

Code size:
1017.5 KB (1,041,920 bytes)

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