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skype_downloader.exe

Cheng Du VTools Information Technology

The application skype_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.freenew.net.
Publisher:
Cheng Du VTools Information Technology  (signed and verified)

MD5:
067b4641f1ae73164b31b277540a63c7

SHA-1:
ad74f1f9f11236f0fe7c91f62eeb9872d9d0f6c8

SHA-256:
2d26d86f8c01e494f2a36554c219b88d7e7ab5f19fa944411b80b335c508dc56

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:
12/25/2024 12:53:17 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP (M)
17.3.13.21

File size:
930.8 KB (953,168 bytes)

File type:
Executable application (Win32 EXE)

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

Digital Signature
Signed by:
Cheng Du VTools Information Technology

Authority:
VeriSign, Inc.

Valid from:
12/11/2011 8:00:00 AM

Valid to:
1/26/2014 7:59:59 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:
9/27/2013 12:14:45 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

Entry address:
0x1FAED0

Entry point:
60, BE, 00, B0, 55, 00, 8D, BE, 00, 60, EA, 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:
7.6208

Packer / compiler:
UPX 2.90LZMA

Code size:
644 KB (659,456 bytes)

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

http://www.freenew.net/.../get.htm?id=68644

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