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helper.dll

Small Island Development

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 Small Island Development has been detected as adware by 9 anti-malware scanners. It is also typically executed from the user's temporary directory.
Publisher:
Small Island Development  (signed and verified)

MD5:
94b47306e90bfd137c6089c87dca85dd

SHA-1:
99ed1d2375015c916dc2f75c3785abcd2b46ecbd

SHA-256:
e5b084c23bf4a3aa9374efcce4c7ddb9ff7aaec1ff689c1cde7fe95935940b4f

Scanner detections:
9 / 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 9:00:05 PM UTC  (today)

Scan engine
Detection
Engine version

AhnLab V3 Security
PUP/Win32.PullUpdate
2015.03.06

Avira AntiVirus
W32/Sality.AT
7.11.30.172

AVG
Adware Generic_r.YY
2014.0.4257

Baidu Antivirus
Adware.MSIL.PullUpdate
4.0.3.1536

Bkav FE
W32.HfsAdware
1.3.0.6379

ESET NOD32
MSIL/Adware.PullUpdate.A application
7.0.302.0

NANO AntiVirus
Riskware.Win32.PullUpdate.dmgkwy
0.30.0.296

Panda Antivirus
Adware/TVWizard
15.03.06.05

Reason Heuristics
PUP.Injekt
15.3.6.5

File size:
1.3 MB (1,382,384 bytes)

File type:
Dynamic link library (Win32 DLL)

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

Digital Signature
Signed by:
Small Island Development

Authority:
Symantec Corporation

Valid from:
12/24/2014 1:00:00 AM

Valid to:
2/23/2016 12:59:59 AM

Subject:
CN=Small Island Development, O=Small Island Development, 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:
2ACB4CDCE993E485342ABFA2BCA95A17

File PE Metadata
Compilation timestamp:
3/5/2015 6:39:41 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

CTPH (ssdeep):
24576:8WHimwWx+v0W6UdI7E6R5f24LgpCfcqPuGR08ucSi7U57VkRNFH8PBjZnS1:8W6Wxu0lUdI7E6R5fkveu/8CiQBVkRNV

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, 70, 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, 24, 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...
 
[+]

Developed / compiled with:
Microsoft Visual C++

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

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