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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 64-bit kernel mode device driver named “PastaQuotes UpdateD”.
Publisher:
One Call Ltd  (signed and verified)

MD5:
9a4212f51314ea7edb1ea5e04d95fec5

SHA-1:
0045eb5e9e6efd601b943b79e821189d21413e5b

SHA-256:
af2c0e4fedaab350724d523d751a8d7f175ef4581fe923ca9403c9f457c0b35b

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:
4/26/2024 10:53:13 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.SimplyTech.OneCall (M)
16.5.11.10

File size:
60.5 KB (61,920 bytes)

File type:
Driver (Win64 SYS)

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

Digital Signature
Signed by:
One Call Ltd

Authority:
COMODO CA Limited

Valid from:
12/30/2013 5:00:00 PM

Valid to:
12/31/2014 4:59:59 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 8:57:28 AM

OS version:
4.0

OS bitness:
Win64

Subsystem:
Native (none required)

Linker version:
8.0

CTPH (ssdeep):
1536:SktJgcAoi6pcq4L1zmsl3Y4Th+AToQlLBtZa52Ku:S5cIvTQATPtU5

Entry address:
0x1110

Entry point:
48, 89, 54, 24, 10, 48, 89, 4C, 24, 08, 48, 83, EC, 28, 48, 8B, 4C, 24, 30, E8, A8, 93, 00, 00, 0F, B6, C0, 85, C0, 75, 0A, B8, 01, 00, 00, C0, E9, CB, 00, 00, 00, 48, 8B, 44, 24, 30, 48, 8D, 0D, 8B, FF, FF, FF, 48, 89, 48, 70, 48, 8B, 44, 24, 30, 48, 8D, 0D, 7B, FF, FF, FF, 48, 89, 88, 80, 00, 00, 00, 48, 8B, 44, 24, 30, 48, 8D, 0D, 28, FE, FF, FF, 48, 89, 88, E0, 00, 00, 00, E8, 8C, 80, 00, 00, 0F, B6, C0, 85, C0, 74, 10, 48, 8B, 44, 24, 30, 48, 8D, 0D, B9, FD, FF, FF, 48, 89, 48, 68, 48, 8B, 4C, 24, 30...
 
[+]

Entropy:
6.0948

Code size:
51.3 KB (52,576 bytes)

Driver
Display name:
PastaQuotes UpdateD

Service name:
PSTpdd

Type:
Kernel device driver (KernelDriver)


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