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coolcalendarsetup.exe

ADLSoft

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The application coolcalendarsetup.exe by ADLSoft has been detected as adware by 8 anti-malware scanners. The program is a setup application that uses the installCore installer. The setup program uses the InstallCore engine which may bundle additional software offers including toolbars and browser extensions. The file has been seen being downloaded from www.coolcalendarapp.com.
Publisher:
ADLSoft  (signed and verified)

MD5:
f47bbf0d29428f752bb0a7f413c4baa7

SHA-1:
df91dfc471a07b78265c3b838938eb5da2df568c

SHA-256:
b7e794cf4aaf4064ee8054a28f7c08775b8287e514604066d496a04eff46f8bf

Scanner detections:
8 / 68

Status:
Adware

Explanation:
Uses the InstallCore download and install manager which may bundle various potentially unwanted software offers during setup.

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:
4/20/2024 4:03:46 AM UTC  (today)

Scan engine
Detection
Engine version

AVG
InstallC
2015.0.3472

Dr.Web
Trojan.Packed.24524
9.0.1.0137

ESET NOD32
Win32/InstallCore.OG (variant)
8.9811

Malwarebytes
PUP.Optional.InstallCore
v2014.05.17.02

Qihoo 360 Security
Malware.QVM06.Gen
1.0.0.1015

Reason Heuristics
PUP.Installer.ADLSoft.R
14.8.8.3

Sophos
Install Core Click run software
4.98

VIPRE Antivirus
InstallCore.b
29294

File size:
781.7 KB (800,496 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

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

Digital Signature
Signed by:
ADLSoft

Authority:
Thawte, Inc.

Valid from:
6/21/2012 4:00:00 AM

Valid to:
7/26/2014 3:59:59 AM

Subject:
CN=ADLSoft, O=ADLSoft, L=Tel Aviv, S=Israel, C=IL

Issuer:
CN=Thawte Code Signing CA - G2, O="Thawte, Inc.", C=US

Serial number:
1C7950C7BFF384C5ABB93DD694E588E8

File PE Metadata
Compilation timestamp:
6/20/1992 2:22:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:I2vblrpU3qU1wefIDxWtBn9AVODydymtlrP:I2VmaDAh9AVODydLPrP

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 coolcalendarsetup.exe has been seen being distributed by the following URL.

http://www.coolcalendarapp.com/cool-calendar/gb/.../?dl=1

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