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walaber's_trampoline_1.0_downloader.exe

Cheng Du VTools Information Technology

The application walaber's_trampoline_1.0_downloader.exe by Cheng Du VTools Information Technology has been detected as a potentially unwanted program by 1 anti-malware scanner with very strong indications that the file is a potential threat. This is a setup program which is used to install the application. The file has been seen being downloaded from www.8appstore.net.
Publisher:
Cheng Du VTools Information Technology  (signed and verified)

MD5:
a9909ce100809af18ecc39c7d88e73a7

SHA-1:
c19edf4340891d44ed24db1ae81a3cae97778545

SHA-256:
81864229296966bca08787a92a972c3aff8c0dc0b05e23d8eb50472e33f345dc

Scanner detections:
1 / 68

Status:
Potentially unwanted

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.

Analysis date:
4/19/2024 7:26:52 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.ChengDuV (M)
16.7.4.21

File size:
781.8 KB (800,592 bytes)

File type:
Executable application (Win32 EXE)

Common path:
C:\users\{user}\downloads\walaber's_trampoline_1.0_downloader.exe

Digital Signature
Signed by:
Cheng Du VTools Information Technology

Authority:
VeriSign, Inc.

Valid from:
12/11/2011 2:00:00 AM

Valid to:
1/26/2014 1:59:59 AM

Subject:
CN=Cheng Du VTools Information Technology, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Cheng Du VTools Information Technology, L=ChengDu, S=SiChuan, C=CN

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
1B5D68E0AFA12E8F1159C668DD228431

File PE Metadata
Compilation timestamp:
8/2/2013 8:58:58 AM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:m5UnZzPkMXdh4JIc+GIQDDIDtEtVJF1ohHuT5ZJLSM0O:lzP34OcDcZEXJFepuJSMN

Entry address:
0x1CE6C0

Entry point:
60, BE, 00, 90, 53, 00, 8D, BE, 00, 80, EC, FF, 57, 83, CD, FF, EB, 10, 90, 90, 90, 90, 90, 90, 8A, 06, 46, 88, 07, 47, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 72, ED, B8, 01, 00, 00, 00, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C0, 01, DB, 73, 0B, 75, 28, 8B, 1E, 83, EE, FC, 11, DB, 72, 1F, 48, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C0, EB, D4, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C9, EB, 52, 31, C9, 83, E8, 03, 72, 11, C1, E0, 08, 8A, 06, 46, 83, F0, FF, 74, 75, D1, F8, 89...
 
[+]

Entropy:
7.7148

Packer / compiler:
UPX 2.90LZMA

Code size:
600 KB (614,400 bytes)

The file walaber's_trampoline_1.0_downloader.exe has been seen being distributed by the following URL.

http://www.8appstore.net/.../downloadfile.html?swid=633250

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