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yahoo_messenger.exe

Heker

Webcellence Ltd

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The application yahoo_messenger.exe, “Heker Setup ” by Webcellence 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 file has been seen being downloaded from www.towerchucklelaboratory.com.
Publisher:
Webcellence Ltd  (signed and verified)

Product:
Heker

Description:
Heker Setup

Version:
3.2.5.8

MD5:
9849a0f9563cd803453846c6b8d2e86a

SHA-1:
fdb8c5e699b743fbbe941747ec080b1055516b0d

SHA-256:
47e261a86be0f3f63526afa43ac414f143466fde4a0f6b632eded0e5cd6a9d45

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 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:
11/28/2024 3:52:56 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore (M)
17.3.14.11

File size:
985.6 KB (1,009,240 bytes)

Product version:
3.3.9

Copyright:
Program File

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

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

Digital Signature
Signed by:
Webcellence Ltd

Authority:
GlobalSign nv-sa

Valid from:
2/4/2016 12:13:02 PM

Valid to:
2/4/2017 12:13:02 PM

Subject:
CN=Webcellence Ltd, O=Webcellence Ltd, L=Ora, C=IL

Issuer:
CN=GlobalSign CodeSigning CA - SHA256 - G2, O=GlobalSign nv-sa, C=BE

Serial number:
1121C55738C0A5E7493A6E41B5185E81DFD5

File PE Metadata
Compilation timestamp:
6/19/1992 10:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

Entry address:
0xA5F8

Entry point:
55, 8B, EC, 83, C4, C4, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, CE, 8A, FF, FF, E8, D5, 9C, FF, FF, E8, 64, 9F, FF, FF, E8, 07, A0, FF, FF, E8, A6, BF, FF, FF, E8, 11, E9, FF, FF, E8, 78, EA, FF, FF, 33, C0, 55, 68, C9, AC, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, 92, AC, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, C0, 40, 00, E8, 26, F5, FF, FF, E8, 11, F1, FF, FF, 80, 3D, 34, B2, 40, 00, 00, 74, 0C, E8, 23, F6, FF, FF, 33, C0, E8, C4, 97, FF, FF, 8D, 55, F0, 33, C0, E8, B6, C5, FF, FF, 8B, 55...
 
[+]

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

Code size:
39.5 KB (40,448 bytes)

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

http://www.towerchucklelaboratory.com/uIGz8JR4D4unxTj6ZUBlSt2GiWHovwQ8O70yRW7aDe08rT1rFT9gGh056wrwebr8sJF5xVtXXC2TaynFHP_DHYCkcImPB8vIFn2Yi_e5Hyet1EvnqSk79luyWXLz3tbcIUAOsF4t93j eIy1qGPcjWLMZrCOF iZqVo1HQC6XialYrrWLcMhMY1GT11dSgEFAOWbk18N_iwTuflESV6qtps7kowPexBkCzNGxFoprj1noLlitCwzhPycIgd6IxHqDOPpDPH_xJMajSPgCDUyrBRvWxwxkHapfvhgFSZrqJt ZC4_Bdmlu8_C1Bs5T3WTQIt saeL1T7VcPIQtRlQ mRP5BIcKqfIwehrDpH2_MUTn9WuiLVTJqS7aWvAIO Z2niWQ3ifkJolWcGeaEsMwhUzNVDODrf m0YxSLXvQwDN72VFWFOoA 1xIpVlwx24acrO3BSRyhJCOUrmS SB3xev3JDROkDLSW8wZ1DvHJJlgM1sBIpF3cijEMJNJt42EDbUSk p-G4kAAMTauW1GZsMn0_RJ7ylPHQ81OXC4FbTFwSccxzkGdcPBsCnlqcumsGkMRsV2j hUQRyIudcf fQYn9muebvvPhtUkIp_43cdXWihBWO9QG5UQjK3WkfjLn6RLg==-e

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