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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 16 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:
e9b30709b529ab9cd83fc1586d488a71

SHA-1:
9bcde4dfee21c38bd1fa66d4341adc274024fdbf

SHA-256:
63a85f05964e99d200f557754f81827bbd21367dfacde1407bb03af610e6cf69

Scanner detections:
16 / 68

Status:
Adware

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

Description:
This is also known as bundleware, or downloadware, which is an downloader designed to simply deliver ad-supported offers in the setup routine of an otherwise legitimate software.

Analysis date:
4/25/2024 3:03:19 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.InstallCore
7.1.1

AhnLab V3 Security
PUP/Win32.InstallCore
2014.01.03

Avira AntiVirus
ADWARE/InstallCore.Gen7
7.11.204.224

AVG
InstallC
2016.0.3140

Bkav FE
W32.HfsAdware
1.3.0.6379

Dr.Web
Adware.InstallCore.133
9.0.1.0103

ESET NOD32
Win32/InstallCore.BY potentially unwanted application
9.7.0.302.0

F-Prot
W32/InstallCore.R3.gen
v6.4.7.1.166

G Data
Win32.Application.InstallCore.CJ
15.4.24

herdProtect (fuzzy)
variant of pdfcreatorsetup.exe (Adware)
2015.7.15.15

IKARUS anti.virus
PUA.Optional.InstallCore
t3scan.1.6.1.0

K7 AntiVirus
Unwanted-Program
13.183.13504

NANO AntiVirus
Riskware.Win32.InstallCore.dcuocx
0.28.2.61148

Reason Heuristics
Threat.ironSource.Installer
15.4.13.19

Rising Antivirus
PE:Malware.XPACK-LNR/Heur!1.5594
23.00.65.15411

Sophos
PUA 'Install Core Click run software'
59

File size:
1.1 MB (1,133,096 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:
6/20/2012 7:00:00 PM

Valid to:
7/25/2014 6:59:59 PM

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:
6/19/1992 5:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:cMJfsVxB0hdBGicpwRgm+zve+RCOIxPTC4q52EVXG4AVjhje08Y:TJfsesNjxPQhxPO42nVlIg08

Entry address:
0x98CC

Entry point:
55, 8B, EC, 83, C4, CC, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, FA, 97, FF, FF, E8, 01, AA, FF, FF, E8, 2C, CC, FF, FF, E8, 73, CC, FF, FF, E8, 0A, F3, FF, FF, E8, 71, F4, FF, FF, 33, C0, 55, 68, 76, 9F, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, 2C, 9F, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, B0, 40, 00, E8, 9B, FE, FF, FF, E8, 26, FA, FF, FF, 8D, 55, F0, 33, C0, E8, E0, D0, FF, FF, 8B, 55, F0, B8, D8, BD, 40, 00, E8, AB, 98, FF, FF, 6A, 02, 6A, 00, 6A, 01, 8B, 0D, D8, BD, 40, 00, B2, 01, B8...
 
[+]

Entropy:
7.8607

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

Code size:
36 KB (36,864 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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