baixaki_tom-jerry-screensaver.exe

Web Stub

No Zebra Network Ltda.

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The application baixaki_tom-jerry-screensaver.exe, “Web Stub Setup ” by No Zebra Networka 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.flashtodaychuckle.com.
Publisher:
Web Installer   (signed by No Zebra Network Ltda.)

Product:
Web Stub

Description:
Web Stub Setup

MD5:
af430441083be5564d33c70b88683fb4

SHA-1:
05b0be0366fabe3124513323c6eb68e9ffb1b867

SHA-256:
e76ad226edcf5114f89e23bf8fafbd040b84843f16d2bba9af0f37913e129906

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:
9/26/2020 3:27:54 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore (M)
17.3.16.13

File size:
1.7 MB (1,799,736 bytes)

Product version:
2.8

Copyright:
Lite Software Prog

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\baixaki_tom-jerry-screensaver.exe

Digital Signature
Authority:
GlobalSign nv-sa

Valid from:
8/23/2016 2:41:34 PM

Valid to:
8/24/2017 2:41:34 PM

Subject:
CN=No Zebra Network Ltda., O=No Zebra Network Ltda., L=Curitiba, S=Parana, C=BR

Issuer:
CN=GlobalSign CodeSigning CA - SHA256 - G3, O=GlobalSign nv-sa, C=BE

Serial number:
13A5F901A29DB8B1C2402465

File PE Metadata
Compilation timestamp:
10/9/2012 5:48:22 AM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

Entry address:
0xF3BC

Entry point:
55, 8B, EC, 83, C4, A4, 53, 56, 57, 33, C0, 89, 45, C4, 89, 45, C0, 89, 45, A4, 89, 45, D0, 89, 45, C8, 89, 45, CC, 89, 45, D4, 89, 45, D8, 89, 45, EC, B8, 64, ED, 40, 00, E8, E8, 71, FF, FF, 33, C0, 55, 68, 89, FA, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, 45, FA, 40, 00, 64, FF, 32, 64, 89, 22, A1, 48, 3B, 41, 00, E8, BE, F7, FF, FF, E8, 65, F3, FF, FF, 8D, 55, EC, 33, C0, E8, F7, C3, FF, FF, 8B, 55, EC, B8, 4C, 66, 41, 00, E8, 6A, 58, FF, FF, 6A, 02, 6A, 00, 6A, 01, 8B, 0D, 4C, 66, 41, 00, B2, 01...
 
[+]

Developed / compiled with:
Microsoft Visual C++

Code size:
59 KB (60,416 bytes)

The file baixaki_tom-jerry-screensaver.exe has been seen being distributed by the following URL.

http://www.flashtodaychuckle.com/md3gz229XBGDMj4ZFE9Pl0Ex2KMP_Nvaf3V3uWGpkTk1B7ezp4TZ5cde2z32aAnHoD gn1xxu44pqKRUgKeydLPlG_8fwoWMFAGCLo_Xy4mH_czHg7aY2o 4G3iZzpO 1HyoXjU4nRUbaONMBVZyBLmlv8CugcjDS0VRzGzrWuu_QqUWfwiw39nboDfmMxxmvcbPAaZ3xyO_ucxlYwSX6NEFhBogp61xNi7MsJWsbS0kDCeC1GIpufoC5KBJRLZpk8m vM_2pLLqtA H3M_NWau6DQVnKsgxQ8WqR3sjugTwErhK3iPT60nuJE3Jv_xT74WLtmBPL_ctFEe8n U2sB_PgbIN9qEWaMFDiwYRiN8Ec273D1zLzcTPY5DwppmPGlXpAzrTBD9_1k5eGWrIQ82HSscNw qU6 ofV8uL4ASmunvaMbwkOlDxujP A2448vE_bwmxeNrRZ2a8hXuvbop24w7HzQ 7VSFaWmjYc6MUPc5chQQ mrj5pFiEfNJqYFOtydZMhYMaOiR0ZpVq_jZEDrF76 pFdF1Hy82IEVcYjwh7JMZgCoWBwMNN9jFnQOD5 tO2vtM0sLwsHRu_tBsUgdphq3KLC1svYPxzaBaCDVuputdaUHs5Fx kEN_wD1C3KsuscaqR2DCIicEw53EgEm vg==-G1wAAMQ22_On0OfZ5yNKwoKl49xYBQ45cPiOFohlLZjIQSJtye2ucRlXp60IhyGr6NuWnVdx0wg1hTmUNVxGAsXNhFlmPqcD3yHlcw3y1 m_Bw==?t=1489410786240

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