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hoolapp.exe

Hoolapp

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application hoolapp.exe by Hoolapp has been detected as adware by 5 anti-malware scanners. It uses the InstallCore engine which may bundle additional software offers including toolbars and browser extensions. It is also typically executed from the user's temporary directory.
Publisher:
Hoolapp  (signed and verified)

MD5:
2e7a956409f8bf399cc3965936a9c619

SHA-1:
c05cdc25cfa82d3536abd19320262d4753e34bba

SHA-256:
4f318fcb1bdc825dfe03a14f9bd59b805b526e3a2b291729a5745899a3c9c1c8

Scanner detections:
5 / 68

Status:
Adware

Explanation:
Uses the InstallCore download manager to install additional potentially unwanted software which may include extensions such as DealPly and various toolbars.

Analysis date:
4/26/2024 2:09:12 AM UTC  (today)

Scan engine
Detection
Engine version

ESET NOD32
Win32/InstallCore.K potentially unwanted application
7.0.302.0

Malwarebytes
PUP.Optional.InstallCore.A
v2014.08.27.11

Qihoo 360 Security
HEUR/Malware.QVM20.Gen
1.0.0.1015

Reason Heuristics
PUP.Hoolapp.H
14.8.27.22

Rising Antivirus
PE:Malware.XPACK-LNR/Heur!1.5594
23.00.65.14825

File size:
2.6 MB (2,689,872 bytes)

File type:
Executable application (Win32 EXE)

Common path:
C:\users\{user}\appdata\local\temp\{random}.tmp\hoolapp.exe

Digital Signature
Signed by:
Hoolapp

Authority:
COMODO CA Limited

Valid from:
11/19/2012 5:00:00 PM

Valid to:
11/20/2015 4:59:59 PM

Subject:
CN=Hoolapp, O=Hoolapp, STREET=63 Rothschild Blvd., L=Tel-Aviv, S=NA, PostalCode=65785, C=IL

Issuer:
CN=COMODO Code Signing CA 2, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
1205B27293082834E7A5D38AE9D121B7

File PE Metadata
Compilation timestamp:
6/19/1992 3:22:17 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
49152:shLos6LHE5T4arPg3OLHTx44DOJ3mT0qkzzpNnWtXSsQ89:shLojHE5VZH9eRm4qknWtXSsQ89

Entry address:
0xD40D0

Entry point:
55, 8B, EC, 83, C4, F0, B8, 78, 6B, 40, 00, E8, 17, F1, FF, FF, 8B, C0, FF, 25, 90, 61, 46, 00, 8B, C0, FF, 25, 8C, 61, 46, 00, 8B, C0, FF, 25, 88, 61, 46, 00, 8B, C0, FF, 25, 84, 61, 46, 00, 8B, C0, FF, 25, 80, 61, 46, 00, 8B, C0, FF, 25, 7C, 61, 46, 00, 8B, C0, FF, 25, 78, 61, 46, 00, 8B, C0, FF, 25, B8, 61, 46, 00, 8B, C0, FF, 25, 74, 61, 46, 00, 8B, C0, FF, 25, B4, 61, 46, 00, 8B, C0, FF, 25, 70, 61, 46, 00, 8B, C0, FF, 25, 6C, 61, 46, 00, 8B, C0, FF, 25, 68, 61, 46, 00, 8B, C0, FF, 25, 64, 61, 46, 00...
 
[+]

Entropy:
7.6565

Developed / compiled with:
Microsoft Visual C++

Code size:
857 KB (877,568 bytes)

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