javascript_library.exe

MY-IWEB

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The application javascript_library.exe by MY-IWEB has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. The program is a setup application that uses the installCore installer. The installer is marketed through download protals and search ads as the free Oracle Java Runtime but will also install additional software offers which include adware, PUPs and browser toolbars.
Publisher:
MY-IWEB  (signed and verified)

MD5:
432aaa9005a9f2197f70119f6c37edc2

SHA-1:
668b4fe7c080eebef1a338951d6f5b31463c2601

SHA-256:
8b1e57da2f4bb9d9e938d7b45b7dbb3c50b3f14fddb199e4eeb6fcfe1523e87b

Scanner detections:
1 / 68

Status:
Adware

Note:
Our current pool of anti-malware engines have not currently detected this file, however based on our own detection heuristics we feel that this file is unwanted.

Description:
This 'download manager' is also considered bundleware, a utility designed to download software (possibly legitimate or opensource) and bundle it with a number of optional offers including ad-supported utilities, toolbars, shopping comparison tools and browser extensions.

Analysis date:
11/5/2024 11:41:56 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore.MYIWEB (M)
16.5.12.9

File size:
733.2 KB (750,776 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\javascript_library.exe

Digital Signature
Signed by:

Authority:
GlobalSign nv-sa

Valid from:
8/27/2013 6:06:46 PM

Valid to:
9/27/2014 6:06:46 PM

Subject:
E=rcq@myiweb.com, CN=MY-IWEB, OU=MY IWEB, O=MY-IWEB, L=Tunis, S=Tunis, C=TN

Issuer:
CN=GlobalSign CodeSigning CA - G2, O=GlobalSign nv-sa, C=BE

Serial number:
11214262B4424EB64C9A45278DEDF93E89BE

File PE Metadata
Compilation timestamp:
6/20/1992 12:22:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:Divp5RS80q735M6tLYx2xCtvmJopvmezIx8PTrH7kHcl9uu:DivDRXj7eRsktOKpvDkx0ruu

Entry address:
0x9C40

Entry point:
55, 8B, EC, 83, C4, C4, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, 86, 94, FF, FF, E8, 8D, A6, FF, FF, E8, 1C, A9, FF, FF, E8, 53, C9, FF, FF, E8, 9A, C9, FF, FF, E8, C9, F2, FF, FF, E8, 30, F4, FF, FF, 33, C0, 55, 68, FC, A2, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, C5, A2, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, C0, 40, 00, E8, 96, FE, FF, FF, E8, C9, FA, FF, FF, 8D, 55, F0, 33, C0, E8, 83, CF, FF, FF, 8B, 55, F0, B8, 24, CE, 40, 00, E8, 32, 95, FF, FF, 6A, 02, 6A, 00, 6A, 01, 8B, 0D, 24, CE...
 
[+]

Packer / compiler:
Inno Setup v5.x - Installer Maker

Code size:
37 KB (37,888 bytes)

The file javascript_library.exe has been seen being distributed by the following URL.

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