pstrdrw.sys

One Call Ltd

The file pstrdrw.sys by One Call has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. It runs as a Windows kernel mode device driver named “PastaQuotes UpdateD”.
Publisher:
One Call Ltd  (signed and verified)

MD5:
0b4b5cd166a56449bcd92d7607ac827f

SHA-1:
ad6cbcc7c57e12d219bb47ecbb033ad3fa317da1

SHA-256:
f6a742640b5ed2c0e45738d27a108766eb63664a1f4895b269ee4761e8af6796

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:
12/25/2024 7:02:56 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.OneCall.K
14.12.3.15

File size:
45.7 KB (46,816 bytes)

File type:
Driver (Win32 SYS)

Common path:
C:\Program Files\common files\pastaleads\pastaquotes\pstrdrw.sys

Digital Signature
Signed by:

Authority:
COMODO CA Limited

Valid from:
12/30/2013 6:00:00 PM

Valid to:
12/31/2014 5:59:59 PM

Subject:
CN=One Call Ltd, O=One Call Ltd, STREET=Zarhin 10, L=Raanana, S=IL, PostalCode=12345, C=IL

Issuer:
CN=COMODO Code Signing CA 2, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
3319A851B8E5EE29CCF776BCF148B091

File PE Metadata
Compilation timestamp:
5/5/2014 9:57:27 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Native (none required)

Linker version:
7.10

CTPH (ssdeep):
768:+hNgcEp49keTfsIM6YqKHHjp0i2n/to7+S2ybpocS:+lEp8fsVqKjei+SCc

Entry address:
0xD60

Entry point:
55, 8B, EC, 8B, 45, 08, 50, E8, D4, 67, 00, 00, 0F, B6, C8, 85, C9, 75, 0A, B8, 01, 00, 00, C0, E9, A0, 00, 00, 00, 8B, 55, 08, C7, 42, 38, 30, 0D, 01, 00, 8B, 45, 08, C7, 40, 40, 30, 0D, 01, 00, 8B, 4D, 08, C7, 41, 70, 50, 0C, 01, 00, E8, 10, 59, 00, 00, 0F, B6, D0, 85, D2, 74, 0A, 8B, 45, 08, C7, 40, 34, 00, 0C, 01, 00, 8B, 4D, 08, 51, E8, A6, FC, FF, FF, 0F, B6, D0, 85, D2, 75, 07, B8, 01, 00, 00, C0, EB, 55, E8, 93, 64, 00, 00, 6A, 00, 68, A0, 0B, 01, 00, FF, 15, 78, 02, 01, 00, 85, C0, 74, 1A, 8B, 45...
 
[+]

Entropy:
6.5244

Developed / compiled with:
Microsoft Visual C++

Code size:
36.7 KB (37,568 bytes)

Driver
Display name:
PastaQuotes UpdateD

Service name:
PSTpdd

Type:
Kernel device driver (KernelDriver)


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