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skype.exe

SIGNI SOFT SRL

The application skype.exe by SIGNI SOFT SRL has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. The file has been seen being downloaded from www.installdl.com.
Publisher:
SIGNI SOFT SRL  (signed and verified)

Version:
0.0.0.0

MD5:
d7dfccfb546d17840a7dc271ecbd3b0c

SHA-1:
cb9d691454d2f77273ee66a22affd391bd2905c2

SHA-256:
4f23cce76c6ad0bfb5e0f996de355590119b131ca7e35347b5f7de7ac2851dfe

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.

Analysis date:
11/30/2024 10:48:33 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.SIGNISOF (M)
16.6.28.13

File size:
606.1 KB (620,656 bytes)

Product version:
0.0.0.0

File type:
Executable application (Win32 EXE)

Language:
English (United States)

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

Digital Signature
Signed by:
SIGNI SOFT SRL

Authority:
DigiCert Inc

Valid from:
11/3/2014 4:00:00 AM

Valid to:
11/11/2015 4:00:00 PM

Subject:
CN=SIGNI SOFT SRL, O=SIGNI SOFT SRL, L=Iasi, S=Iasi, C=RO

Issuer:
CN=DigiCert Assured ID Code Signing CA-1, OU=www.digicert.com, O=DigiCert Inc, C=US

Serial number:
069EEE3A188BD66948EDFA466F9B4B55

File PE Metadata
Compilation timestamp:
3/20/2015 1:27:39 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
12288:Fh3bfkjZqUD2PoNAKdyDU7fQrYNcsX/cu6deSTnadQTBxcHMi+YNzzIXHs:F9fgEUD2VKdyH0N+uApTnhTBIMi+YNz3

Entry address:
0x502DB

Entry point:
E8, 0D, 7E, 00, 00, E9, 79, FE, FF, FF, 8B, FF, 55, 8B, EC, 51, 53, 8B, 45, 0C, 83, C0, 0C, 89, 45, FC, 64, 8B, 1D, 00, 00, 00, 00, 8B, 03, 64, A3, 00, 00, 00, 00, 8B, 45, 08, 8B, 5D, 0C, 8B, 6D, FC, 8B, 63, FC, FF, E0, 5B, C9, C2, 08, 00, 58, 59, 87, 04, 24, FF, E0, 8B, FF, 55, 8B, EC, 51, 51, 53, 56, 57, 64, 8B, 35, 00, 00, 00, 00, 89, 75, FC, C7, 45, F8, 49, 03, 45, 00, 6A, 00, FF, 75, 0C, FF, 75, F8, FF, 75, 08, E8, EB, 01, 01, 00, 8B, 45, 0C, 8B, 40, 04, 83, E0, FD, 8B, 4D, 0C, 89, 41, 04, 64, 8B, 3D...
 
[+]

Entropy:
6.6194

Code size:
405.5 KB (415,232 bytes)

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

http://www.installdl.com/.../?key=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